54 files changed, 857 insertions, 742 deletions
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 887ef855be2a..aefe3b18a074 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -24,7 +24,7 @@ config GENERIC_CMOS_UPDATE
        def_bool y
 config ARCH_USES_GETTIMEOFFSET
-        def_bool y
+        def_bool n
 config GENERIC_IOMAP
       bool
@@ -128,16 +128,19 @@ choice
 config ETRAX100LX
        bool "ETRAX-100LX-v1"
+        select ARCH_USES_GETTIMEOFFSET
        help
          Support version 1 of the ETRAX 100LX.
 config ETRAX100LX_V2
        bool "ETRAX-100LX-v2"
+        select ARCH_USES_GETTIMEOFFSET
        help
          Support version 2 of the ETRAX 100LX.
 config SVINTO_SIM
        bool "ETRAX-100LX-for-xsim-simulator"
+        select ARCH_USES_GETTIMEOFFSET
        help
          Support the xsim ETRAX Simulator.
diff --git a/arch/cris/Kconfig.debug b/arch/cris/Kconfig.debug
index 0a1d62a23614..0b9a630dc812 100644
--- a/arch/cris/Kconfig.debug
+++ b/arch/cris/Kconfig.debug
@@ -32,4 +32,10 @@ config DEBUG_NMI_OOPS
          If the system locks up without any debug information you can say Y
          here to make it possible to dump an OOPS with an external NMI.
+config NO_SEGFAULT_TERMINATION
+        bool "Keep segfaulting processes"
+        help
+          Place segfaulting user mode processes on a wait queue instead of
+          delivering a terminating SIGSEGV to allow debugging with gdb.
 endmenu
diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig
index 58f5864a6680..0d7221779923 100644
--- a/arch/cris/arch-v10/drivers/Kconfig
+++ b/arch/cris/arch-v10/drivers/Kconfig
@@ -383,7 +383,7 @@ config ETRAX_RS485
        depends on ETRAX_SERIAL
        help
          Enables support for RS-485 serial communication.  For a primer on
-          RS-485, see <http://www.hw.cz/english/docs/rs485/rs485.html>.
+          RS-485, see <http://en.wikipedia.org/wiki/Rs485>
 config ETRAX_RS485_ON_PA
        bool "RS-485 mode on PA"
diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c
index c3405507a3d1..5047a33043bd 100644
--- a/arch/cris/arch-v10/drivers/eeprom.c
+++ b/arch/cris/arch-v10/drivers/eeprom.c
@@ -28,7 +28,6 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
-#include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <asm/uaccess.h>
 #include "i2c.h"
@@ -376,7 +375,6 @@ int __init eeprom_init(void)
 /* Opens the device. */
 static int eeprom_open(struct inode * inode, struct file * file)
 {
-  cycle_kernel_lock();
  if(iminor(inode) != EEPROM_MINOR_NR)
     return -ENXIO;
  if(imajor(inode) != EEPROM_MAJOR_NR)
diff --git a/arch/cris/arch-v10/drivers/gpio.c b/arch/cris/arch-v10/drivers/gpio.c
index 4b0f65fac8e8..a07b6d25b0c7 100644
--- a/arch/cris/arch-v10/drivers/gpio.c
+++ b/arch/cris/arch-v10/drivers/gpio.c
@@ -16,7 +16,6 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
-#include <linux/smp_lock.h>
 #include <linux/string.h>
 #include <linux/poll.h>
 #include <linux/init.h>
@@ -46,8 +45,7 @@ static char gpio_name[] = "etrax gpio";
 static wait_queue_head_t *gpio_wq;
 #endif
-static int gpio_ioctl(struct inode *inode, struct file *file,
+static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
-        unsigned int cmd, unsigned long arg);
 static ssize_t gpio_write(struct file *file, const char __user *buf,
        size_t count, loff_t *off);
 static int gpio_open(struct inode *inode, struct file *filp);
@@ -324,7 +322,6 @@ gpio_open(struct inode *inode, struct file *filp)
        if (!priv)
                return -ENOMEM;
-        lock_kernel();
        priv->minor = p;
        /* initialize the io/alarm struct */
@@ -359,7 +356,6 @@ gpio_open(struct inode *inode, struct file *filp)
        alarmlist = priv;
        spin_unlock_irqrestore(&gpio_lock, flags);
-        unlock_kernel();
        return 0;
 }
@@ -504,9 +500,7 @@ unsigned long inline setget_output(struct gpio_private *priv, unsigned long arg)
 static int
 gpio_leds_ioctl(unsigned int cmd, unsigned long arg);
-static int
+static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-gpio_ioctl(struct inode *inode, struct file *file,
-           unsigned int cmd, unsigned long arg)
 {
        unsigned long flags;
        unsigned long val;
@@ -516,54 +510,65 @@ gpio_ioctl(struct inode *inode, struct file *file,
        if (_IOC_TYPE(cmd) != ETRAXGPIO_IOCTYPE)
                return -EINVAL;
-        spin_lock_irqsave(&gpio_lock, flags);
        switch (_IOC_NR(cmd)) {
        case IO_READBITS: /* Use IO_READ_INBITS and IO_READ_OUTBITS instead */
                // read the port
+                spin_lock_irqsave(&gpio_lock, flags);
                if (USE_PORTS(priv)) {
                        ret =  *priv->port;
                } else if (priv->minor == GPIO_MINOR_G) {
                        ret =  (*R_PORT_G_DATA) & 0x7FFFFFFF;
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_SETBITS:
                // set changeable bits with a 1 in arg
+                spin_lock_irqsave(&gpio_lock, flags);
                if (USE_PORTS(priv)) {
-                        *priv->port = *priv->shadow |= 
+                        *priv->port = *priv->shadow |=
                          ((unsigned char)arg & priv->changeable_bits);
                } else if (priv->minor == GPIO_MINOR_G) {
                        *R_PORT_G_DATA = port_g_data_shadow |= (arg & dir_g_out_bits);
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_CLRBITS:
                // clear changeable bits with a 1 in arg
+                spin_lock_irqsave(&gpio_lock, flags);
                if (USE_PORTS(priv)) {
-                        *priv->port = *priv->shadow &= 
+                        *priv->port = *priv->shadow &=
                         ~((unsigned char)arg & priv->changeable_bits);
                } else if (priv->minor == GPIO_MINOR_G) {
                        *R_PORT_G_DATA = port_g_data_shadow &= ~((unsigned long)arg & dir_g_out_bits);
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_HIGHALARM:
                // set alarm when bits with 1 in arg go high
+                spin_lock_irqsave(&gpio_lock, flags);
                priv->highalarm |= arg;
                gpio_some_alarms = 1;
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_LOWALARM:
                // set alarm when bits with 1 in arg go low
+                spin_lock_irqsave(&gpio_lock, flags);
                priv->lowalarm |= arg;
                gpio_some_alarms = 1;
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_CLRALARM:
-                // clear alarm for bits with 1 in arg
+                /* clear alarm for bits with 1 in arg */
+                spin_lock_irqsave(&gpio_lock, flags);
                priv->highalarm &= ~arg;
                priv->lowalarm  &= ~arg;
                {
                        /* Must update gpio_some_alarms */
                        struct gpio_private *p = alarmlist;
                        int some_alarms;
-                        spin_lock_irq(&gpio_lock);
                        p = alarmlist;
                        some_alarms = 0;
                        while (p) {
@@ -574,11 +579,12 @@ gpio_ioctl(struct inode *inode, struct file *file,
                                p = p->next;
                        }
                        gpio_some_alarms = some_alarms;
-                        spin_unlock_irq(&gpio_lock);
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_READDIR: /* Use IO_SETGET_INPUT/OUTPUT instead! */
                /* Read direction 0=input 1=output */
+                spin_lock_irqsave(&gpio_lock, flags);
                if (USE_PORTS(priv)) {
                        ret = *priv->dir_shadow;
                } else if (priv->minor == GPIO_MINOR_G) {
@@ -587,30 +593,40 @@ gpio_ioctl(struct inode *inode, struct file *file,
                         */
                        ret = (dir_g_shadow | dir_g_out_bits) & 0x7FFFFFFF;
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_SETINPUT: /* Use IO_SETGET_INPUT instead! */
-                /* Set direction 0=unchanged 1=input, 
+                /* Set direction 0=unchanged 1=input,
-                 * return mask with 1=input 
+                 * return mask with 1=input
                 */
+                spin_lock_irqsave(&gpio_lock, flags);
                ret = setget_input(priv, arg) & 0x7FFFFFFF;
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_SETOUTPUT: /* Use IO_SETGET_OUTPUT instead! */
-                /* Set direction 0=unchanged 1=output, 
+                /* Set direction 0=unchanged 1=output,
-                 * return mask with 1=output 
+                 * return mask with 1=output
                 */
+                spin_lock_irqsave(&gpio_lock, flags);
                ret =  setget_output(priv, arg) & 0x7FFFFFFF;
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_SHUTDOWN:
+                spin_lock_irqsave(&gpio_lock, flags);
                SOFT_SHUTDOWN();
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_GET_PWR_BT:
+                spin_lock_irqsave(&gpio_lock, flags);
 #if defined (CONFIG_ETRAX_SOFT_SHUTDOWN)
                ret = (*R_PORT_G_DATA & ( 1 << CONFIG_ETRAX_POWERBUTTON_BIT));
 #else
                ret = 0;
 #endif
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
        case IO_CFG_WRITE_MODE:
+                spin_lock_irqsave(&gpio_lock, flags);
                priv->clk_mask = arg & 0xFF;
                priv->data_mask = (arg >> 8) & 0xFF;
                priv->write_msb = (arg >> 16) & 0x01;
@@ -626,28 +642,33 @@ gpio_ioctl(struct inode *inode, struct file *file,
                        priv->data_mask = 0;
                        ret = -EPERM;
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                break;
-        case IO_READ_INBITS: 
+        case IO_READ_INBITS:
                /* *arg is result of reading the input pins */
+                spin_lock_irqsave(&gpio_lock, flags);
                if (USE_PORTS(priv)) {
                        val = *priv->port;
                } else if (priv->minor == GPIO_MINOR_G) {
                        val = *R_PORT_G_DATA;
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                if (copy_to_user((void __user *)arg, &val, sizeof(val)))
                        ret = -EFAULT;
                break;
        case IO_READ_OUTBITS:
                 /* *arg is result of reading the output shadow */
+                spin_lock_irqsave(&gpio_lock, flags);
                if (USE_PORTS(priv)) {
                        val = *priv->shadow;
                } else if (priv->minor == GPIO_MINOR_G) {
                        val = port_g_data_shadow;
                }
+                spin_unlock_irqrestore(&gpio_lock, flags);
                if (copy_to_user((void __user *)arg, &val, sizeof(val)))
                        ret = -EFAULT;
                break;
-        case IO_SETGET_INPUT: 
+        case IO_SETGET_INPUT:
                /* bits set in *arg is set to input,
                 * *arg updated with current input pins.
                 */
@@ -656,7 +677,9 @@ gpio_ioctl(struct inode *inode, struct file *file,
                        ret = -EFAULT;
                        break;
                }
+                spin_lock_irqsave(&gpio_lock, flags);
                val = setget_input(priv, val);
+                spin_unlock_irqrestore(&gpio_lock, flags);
                if (copy_to_user((void __user *)arg, &val, sizeof(val)))
                        ret = -EFAULT;
                break;
@@ -668,18 +691,21 @@ gpio_ioctl(struct inode *inode, struct file *file,
                        ret = -EFAULT;
                        break;
                }
+                spin_lock_irqsave(&gpio_lock, flags);
                val = setget_output(priv, val);
+                spin_unlock_irqrestore(&gpio_lock, flags);
                if (copy_to_user((void __user *)arg, &val, sizeof(val)))
                        ret = -EFAULT;
                break;
        default:
+                spin_lock_irqsave(&gpio_lock, flags);
                if (priv->minor == GPIO_MINOR_LEDS)
                        ret = gpio_leds_ioctl(cmd, arg);
                else
                        ret = -EINVAL;
+                spin_unlock_irqrestore(&gpio_lock, flags);
        } /* switch */
-        spin_unlock_irqrestore(&gpio_lock, flags);
        return ret;
 }
@@ -713,12 +739,12 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg)
 }
 static const struct file_operations gpio_fops = {
-        .owner       = THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .poll        = gpio_poll,
+        .poll           = gpio_poll,
-        .ioctl       = gpio_ioctl,
+        .unlocked_ioctl = gpio_ioctl,
-        .write       = gpio_write,
+        .write          = gpio_write,
-        .open        = gpio_open,
+        .open           = gpio_open,
-        .release     = gpio_release,
+        .release        = gpio_release,
 };
 static void ioif_watcher(const unsigned int gpio_in_available,
diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c
index a8737a8eb229..77a941813819 100644
--- a/arch/cris/arch-v10/drivers/i2c.c
+++ b/arch/cris/arch-v10/drivers/i2c.c
@@ -14,7 +14,6 @@
 #include <linux/module.h>
 #include <linux/sched.h>
-#include <linux/smp_lock.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/fs.h>
@@ -60,8 +59,8 @@ static const char i2c_name[] = "i2c";
 #define SDABIT CONFIG_ETRAX_I2C_DATA_PORT
 #define SCLBIT CONFIG_ETRAX_I2C_CLK_PORT
-#define i2c_enable() 
+#define i2c_enable()
-#define i2c_disable() 
+#define i2c_disable()
 /* enable or disable output-enable, to select output or input on the i2c bus */
@@ -91,7 +90,7 @@ static const char i2c_name[] = "i2c";
 #define i2c_dir_out() \
        *R_PORT_PB_I2C = (port_pb_i2c_shadow &= ~IO_MASK(R_PORT_PB_I2C, i2c_oe_)); \
-        REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 1); 
+        REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 1);
 #define i2c_dir_in() \
        *R_PORT_PB_I2C = (port_pb_i2c_shadow |= IO_MASK(R_PORT_PB_I2C, i2c_oe_)); \
        REG_SHADOW_SET(R_PORT_PB_DIR, port_pb_dir_shadow, 0, 0);
@@ -189,7 +188,7 @@ i2c_outbyte(unsigned char x)
                } else {
                        i2c_data(I2C_DATA_LOW);
                }
-                
                i2c_delay(CLOCK_LOW_TIME/2);
                i2c_clk(I2C_CLOCK_HIGH);
                i2c_delay(CLOCK_HIGH_TIME);
@@ -416,7 +415,7 @@ i2c_sendnack(void)
 *#
 *#--------------------------------------------------------------------------*/
 int
-i2c_writereg(unsigned char theSlave, unsigned char theReg, 
+i2c_writereg(unsigned char theSlave, unsigned char theReg,
             unsigned char theValue)
 {
        int error, cntr = 3;
@@ -468,7 +467,7 @@ i2c_writereg(unsigned char theSlave, unsigned char theReg,
                 * enable interrupt again
                 */
                local_irq_restore(flags);
-                
        } while(error && cntr--);
        i2c_delay(CLOCK_LOW_TIME);
@@ -504,7 +503,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
                 * generate start condition
                 */
                i2c_start();
-    
                /*
                 * send slave address
                 */
@@ -555,7 +554,7 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
                 * enable interrupt again
                 */
                local_irq_restore(flags);
-                
        } while(error && cntr--);
        spin_unlock(&i2c_lock);
@@ -566,7 +565,6 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
 static int
 i2c_open(struct inode *inode, struct file *filp)
 {
-        cycle_kernel_lock();
        return 0;
 }
@@ -579,9 +577,7 @@ i2c_release(struct inode *inode, struct file *filp)
 /* Main device API. ioctl's to write or read to/from i2c registers.
 */
-static int
+static long i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-i2c_ioctl(struct inode *inode, struct file *file,
-          unsigned int cmd, unsigned long arg)
 {
        if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) {
                return -EINVAL;
@@ -590,7 +586,7 @@ i2c_ioctl(struct inode *inode, struct file *file,
        switch (_IOC_NR(cmd)) {
                case I2C_WRITEREG:
                        /* write to an i2c slave */
-                        D(printk("i2cw %d %d %d\n", 
+                        D(printk(KERN_DEBUG "i2cw %d %d %d\n",
                                 I2C_ARGSLAVE(arg),
                                 I2C_ARGREG(arg),
                                 I2C_ARGVALUE(arg)));
@@ -602,26 +598,25 @@ i2c_ioctl(struct inode *inode, struct file *file,
                {
                        unsigned char val;
                        /* read from an i2c slave */
-                        D(printk("i2cr %d %d ", 
+                        D(printk(KERN_DEBUG "i2cr %d %d ",
                                I2C_ARGSLAVE(arg),
                                I2C_ARGREG(arg)));
                        val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg));
-                        D(printk("= %d\n", val));
+                        D(printk(KERN_DEBUG "= %d\n", val));
                        return val;
-                }                                           
+                }
                default:
                        return -EINVAL;
        }
-        
        return 0;
 }
 static const struct file_operations i2c_fops = {
-        .owner    = THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .ioctl    = i2c_ioctl,
+        .unlocked_ioctl = i2c_ioctl,
-        .open     = i2c_open,
+        .open           = i2c_open,
-        .release  = i2c_release,
+        .release        = i2c_release,
 };
 int __init
diff --git a/arch/cris/arch-v10/drivers/i2c.h b/arch/cris/arch-v10/drivers/i2c.h
index 4ee91426bd40..e36c96276478 100644
--- a/arch/cris/arch-v10/drivers/i2c.h
+++ b/arch/cris/arch-v10/drivers/i2c.h
@@ -1,5 +1,4 @@
-/* $Id: i2c.h,v 1.3 2004/05/28 09:26:59 starvik Exp $ */
+/* i2c.h */
 int i2c_init(void);
 /* High level I2C actions */
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c
index 109dcd826d17..ee2dd4323daf 100644
--- a/arch/cris/arch-v10/drivers/sync_serial.c
+++ b/arch/cris/arch-v10/drivers/sync_serial.c
@@ -157,7 +157,7 @@ static int sync_serial_open(struct inode *inode, struct file *file);
 static int sync_serial_release(struct inode *inode, struct file *file);
 static unsigned int sync_serial_poll(struct file *filp, poll_table *wait);
-static int sync_serial_ioctl(struct inode *inode, struct file *file,
+static int sync_serial_ioctl(struct file *file,
        unsigned int cmd, unsigned long arg);
 static ssize_t sync_serial_write(struct file *file, const char *buf,
        size_t count, loff_t *ppos);
@@ -244,13 +244,13 @@ static unsigned sync_serial_prescale_shadow;
 #define NUMBER_OF_PORTS 2
 static const struct file_operations sync_serial_fops = {
-        .owner   = THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .write   = sync_serial_write,
+        .write          = sync_serial_write,
-        .read    = sync_serial_read,
+        .read           = sync_serial_read,
-        .poll    = sync_serial_poll,
+        .poll           = sync_serial_poll,
-        .ioctl   = sync_serial_ioctl,
+        .unlocked_ioctl = sync_serial_ioctl,
-        .open    = sync_serial_open,
+        .open           = sync_serial_open,
-        .release = sync_serial_release
+        .release        = sync_serial_release
 };
 static int __init etrax_sync_serial_init(void)
@@ -678,7 +678,7 @@ static unsigned int sync_serial_poll(struct file *file, poll_table *wait)
        return mask;
 }
-static int sync_serial_ioctl(struct inode *inode, struct file *file,
+static int sync_serial_ioctl_unlocked(struct file *file,
                  unsigned int cmd, unsigned long arg)
 {
        int return_val = 0;
@@ -956,6 +956,18 @@ static int sync_serial_ioctl(struct inode *inode, struct file *file,
        return return_val;
 }
+static long sync_serial_ioctl(struct file *file,
+                              unsigned int cmd, unsigned long arg)
+{
+        long ret;
+        lock_kernel();
+        ret = sync_serial_ioctl_unlocked(file, cmd, arg);
+        unlock_kernel();
+        return ret;
+}
 static ssize_t sync_serial_write(struct file *file, const char *buf,
        size_t count, loff_t *ppos)
diff --git a/arch/cris/arch-v10/kernel/fasttimer.c b/arch/cris/arch-v10/kernel/fasttimer.c
index 5ff08a8695e9..8a8196ee8ce8 100644
--- a/arch/cris/arch-v10/kernel/fasttimer.c
+++ b/arch/cris/arch-v10/kernel/fasttimer.c
@@ -467,11 +467,7 @@ timer1_handler(int irq, void *dev_id)
 static void wake_up_func(unsigned long data)
 {
-#ifdef DECLARE_WAITQUEUE
+  wait_queue_head_t *sleep_wait_p = (wait_queue_head_t *)data;
-  wait_queue_head_t  *sleep_wait_p = (wait_queue_head_t*)data;
-#else
-  struct wait_queue **sleep_wait_p = (struct wait_queue **)data;
-#endif
  wake_up(sleep_wait_p);
 }
diff --git a/arch/cris/arch-v10/kernel/head.S b/arch/cris/arch-v10/kernel/head.S
index fc4577102933..a1f2014b4e3b 100644
--- a/arch/cris/arch-v10/kernel/head.S
+++ b/arch/cris/arch-v10/kernel/head.S
@@ -280,7 +280,7 @@ _no_romfs_in_flash:
        ;; the "rom fs" we'll possibly use in 2.4 if not JFFS (which does
        ;; not need this mechanism anyway)
-        move.d  __vmlinux_end, $r0; the image will be after the vmlinux end address
+        move.d  __init_end, $r0; the image will be after the end of init
        move.d  [$r0], $r1      ; cramfs assumes same endian on host/target
        cmp.d   CRAMFS_MAGIC, $r1; magic value in cramfs superblock
        bne     2f
diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
index 30adae594aef..00eb36f8debf 100644
--- a/arch/cris/arch-v10/kernel/time.c
+++ b/arch/cris/arch-v10/kernel/time.c
@@ -61,66 +61,16 @@ unsigned long get_ns_in_jiffie(void)
 unsigned long do_slow_gettimeoffset(void)
 {
-        unsigned long count, t1;
+        unsigned long count;
-        unsigned long usec_count = 0;
-        unsigned short presc_count;
-        static unsigned long count_p = TIMER0_DIV;/* for the first call after boot */
-        static unsigned long jiffies_p = 0;
-        /*
-         * cache volatile jiffies temporarily; we have IRQs turned off. 
-         */
-        unsigned long jiffies_t;
        /* The timer interrupt comes from Etrax timer 0. In order to get
         * better precision, we check the current value. It might have
         * underflowed already though.
         */
-#ifndef CONFIG_SVINTO_SIM
-        /* Not available in the xsim simulator. */
        count = *R_TIMER0_DATA;
-        presc_count = *R_TIM_PRESC_STATUS;  
-        /* presc_count might be wrapped */
-        t1 = *R_TIMER0_DATA;
-        if (count != t1){
-                /* it wrapped, read prescaler again...  */
-                presc_count = *R_TIM_PRESC_STATUS;
-                count = t1;
-        }
-#else
-        count = 0;
-        presc_count = 0;
-#endif
-        jiffies_t = jiffies;
-        /*
-         * avoiding timer inconsistencies (they are rare, but they happen)...
-         * there are one problem that must be avoided here:
-         *  1. the timer counter underflows
-         */
-        if( jiffies_t == jiffies_p ) {
-                if( count > count_p ) {
-                        /* Timer wrapped, use new count and prescale 
-                         * increase the time corresponding to one jiffie
-                         */
-                        usec_count = 1000000/HZ;
-                }
-        } else
-                jiffies_p = jiffies_t;
-        count_p = count;
-        if (presc_count >= PRESCALE_VALUE/2 ){
-                presc_count =  PRESCALE_VALUE - presc_count + PRESCALE_VALUE/2;
-        } else {
-                presc_count =  PRESCALE_VALUE - presc_count - PRESCALE_VALUE/2;
-        }
        /* Convert timer value to usec */
-        usec_count += ( (TIMER0_DIV - count) * (1000000/HZ)/TIMER0_DIV ) +
+        return (TIMER0_DIV - count) * ((NSEC_PER_SEC/1000)/HZ)/TIMER0_DIV;
-                      (( (presc_count) * (1000000000/PRESCALE_FREQ))/1000);
-        return usec_count;
 }
 /* Excerpt from the Etrax100 HSDD about the built-in watchdog:
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index b70fb34939d9..b07646a30509 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -11,7 +11,6 @@
 #include <linux/string.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
-#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/stddef.h>
@@ -217,7 +216,7 @@ static int cryptocop_open(struct inode *, struct file *);
 static int cryptocop_release(struct inode *, struct file *);
-static int cryptocop_ioctl(struct inode *inode, struct file *file,
+static long cryptocop_ioctl(struct file *file,
                           unsigned int cmd, unsigned long arg);
 static void cryptocop_start_job(void);
@@ -279,10 +278,10 @@ static void print_user_dma_lists(struct cryptocop_dma_list_operation *dma_op);
 const struct file_operations cryptocop_fops = {
-        .owner =        THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .open =         cryptocop_open,
+        .open           = cryptocop_open,
-        .release =      cryptocop_release,
+        .release        = cryptocop_release,
-        .ioctl =        cryptocop_ioctl
+        .unlocked_ioctl = cryptocop_ioctl
 };
@@ -2307,7 +2306,6 @@ static int cryptocop_open(struct inode *inode, struct file *filp)
 {
        int p = iminor(inode);
-        cycle_kernel_lock();
        if (p != CRYPTOCOP_MINOR) return -EINVAL;
        filp->private_data = NULL;
@@ -3102,7 +3100,8 @@ static int cryptocop_ioctl_create_session(struct inode *inode, struct file *filp
        return 0;
 }
-static int cryptocop_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
+static long cryptocop_ioctl_unlocked(struct inode *inode,
+        struct file *filp, unsigned int cmd, unsigned long arg)
 {
        int err = 0;
        if (_IOC_TYPE(cmd) != ETRAXCRYPTOCOP_IOCTYPE) {
@@ -3134,6 +3133,19 @@ static int cryptocop_ioctl(struct inode *inode, struct file *filp, unsigned int
        return 0;
 }
+static long
+cryptocop_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+{
+       struct inode *inode = file->f_path.dentry->d_inode;
+       long ret;
+       lock_kernel();
+       ret = cryptocop_ioctl_unlocked(inode, filp, cmd, arg);
+       unlock_kernel();
+       return ret;
+}
 #ifdef LDEBUG
 static void print_dma_descriptors(struct cryptocop_int_operation *iop)
diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c
index 2fd6a740d895..5a3e900c9a78 100644
--- a/arch/cris/arch-v32/drivers/i2c.c
+++ b/arch/cris/arch-v32/drivers/i2c.c
@@ -32,7 +32,7 @@
 #include <linux/fs.h>
 #include <linux/string.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <asm/etraxi2c.h>
@@ -47,6 +47,7 @@
 #define D(x)
 #define I2C_MAJOR 123  /* LOCAL/EXPERIMENTAL */
+static DEFINE_MUTEX(i2c_mutex);
 static const char i2c_name[] = "i2c";
 #define CLOCK_LOW_TIME            8
@@ -636,7 +637,6 @@ i2c_readreg(unsigned char theSlave, unsigned char theReg)
 static int
 i2c_open(struct inode *inode, struct file *filp)
 {
-        cycle_kernel_lock();
        return 0;
 }
@@ -665,11 +665,11 @@ i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                                 I2C_ARGREG(arg),
                                 I2C_ARGVALUE(arg)));
-                        lock_kernel();
+                        mutex_lock(&i2c_mutex);
                        ret = i2c_writereg(I2C_ARGSLAVE(arg),
                                            I2C_ARGREG(arg),
                                            I2C_ARGVALUE(arg));
-                        unlock_kernel();
+                        mutex_unlock(&i2c_mutex);
                        return ret;
                case I2C_READREG:
@@ -679,9 +679,9 @@ i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                        D(printk("i2cr %d %d ",
                                I2C_ARGSLAVE(arg),
                                I2C_ARGREG(arg)));
-                        lock_kernel();
+                        mutex_lock(&i2c_mutex);
                        val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg));
-                        unlock_kernel();
+                        mutex_unlock(&i2c_mutex);
                        D(printk("= %d\n", val));
                        return val;
                }
diff --git a/arch/cris/arch-v32/drivers/mach-a3/gpio.c b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
index 97357cfd17bb..2dcd27adbad4 100644
--- a/arch/cris/arch-v32/drivers/mach-a3/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-a3/gpio.c
@@ -72,8 +72,7 @@ static char gpio_name[] = "etrax gpio";
 static int virtual_gpio_ioctl(struct file *file, unsigned int cmd,
                              unsigned long arg);
 #endif
-static int gpio_ioctl(struct inode *inode, struct file *file,
+static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
-        unsigned int cmd, unsigned long arg);
 static ssize_t gpio_write(struct file *file, const char __user *buf,
        size_t count, loff_t *off);
 static int gpio_open(struct inode *inode, struct file *filp);
@@ -521,7 +520,7 @@ static inline unsigned long setget_output(struct gpio_private *priv,
        return dir_shadow;
 } /* setget_output */
-static int gpio_ioctl(struct inode *inode, struct file *file,
+static long gpio_ioctl_unlocked(struct file *file,
        unsigned int cmd, unsigned long arg)
 {
        unsigned long flags;
@@ -664,6 +663,17 @@ static int gpio_ioctl(struct inode *inode, struct file *file,
        return 0;
 }
+static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       long ret;
+       lock_kernel();
+       ret = gpio_ioctl_unlocked(file, cmd, arg);
+       unlock_kernel();
+       return ret;
+}
 #ifdef CONFIG_ETRAX_VIRTUAL_GPIO
 static int virtual_gpio_ioctl(struct file *file, unsigned int cmd,
        unsigned long arg)
@@ -877,12 +887,12 @@ static int gpio_pwm_ioctl(struct gpio_private *priv, unsigned int cmd,
 }
 static const struct file_operations gpio_fops = {
-        .owner       = THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .poll        = gpio_poll,
+        .poll           = gpio_poll,
-        .ioctl       = gpio_ioctl,
+        .unlocked_ioctl = gpio_ioctl,
-        .write       = gpio_write,
+        .write          = gpio_write,
-        .open        = gpio_open,
+        .open           = gpio_open,
-        .release     = gpio_release,
+        .release        = gpio_release,
 };
 #ifdef CONFIG_ETRAX_VIRTUAL_GPIO
diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
index d89ab80498ed..5ec8a7d4e7d7 100644
--- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
@@ -74,8 +74,7 @@ static wait_queue_head_t *gpio_wq;
 static int virtual_gpio_ioctl(struct file *file, unsigned int cmd,
        unsigned long arg);
 #endif
-static int gpio_ioctl(struct inode *inode, struct file *file,
+static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
-        unsigned int cmd, unsigned long arg);
 static ssize_t gpio_write(struct file *file, const char *buf, size_t count,
        loff_t *off);
 static int gpio_open(struct inode *inode, struct file *filp);
@@ -185,7 +184,7 @@ static volatile unsigned long *dir_oe[NUM_PORTS] = {
 static unsigned int gpio_poll(struct file *file, struct poll_table_struct *wait)
 {
        unsigned int mask = 0;
-        struct gpio_private *priv = (struct gpio_private *)file->private_data;
+        struct gpio_private *priv = file->private_data;
        unsigned long data;
        poll_wait(file, &priv->alarm_wq, wait);
        if (priv->minor == GPIO_MINOR_A) {
@@ -353,7 +352,7 @@ gpio_pa_interrupt(int irq, void *dev_id)
 static ssize_t gpio_write(struct file *file, const char *buf, size_t count,
        loff_t *off)
 {
-        struct gpio_private *priv = (struct gpio_private *)file->private_data;
+        struct gpio_private *priv = file->private_data;
        unsigned char data, clk_mask, data_mask, write_msb;
        unsigned long flags;
        unsigned long shadow;
@@ -468,7 +467,7 @@ gpio_release(struct inode *inode, struct file *filp)
        spin_lock_irq(&alarm_lock);
        p = alarmlist;
-        todel = (struct gpio_private *)filp->private_data;
+        todel = filp->private_data;
        if (p == todel) {
                alarmlist = todel->next;
@@ -557,17 +556,15 @@ inline unsigned long setget_output(struct gpio_private *priv, unsigned long arg)
        return dir_shadow;
 } /* setget_output */
-static int
+static int gpio_leds_ioctl(unsigned int cmd, unsigned long arg);
-gpio_leds_ioctl(unsigned int cmd, unsigned long arg);
 static int
-gpio_ioctl(struct inode *inode, struct file *file,
+gpio_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
-           unsigned int cmd, unsigned long arg)
 {
        unsigned long flags;
        unsigned long val;
        unsigned long shadow;
-        struct gpio_private *priv = (struct gpio_private *)file->private_data;
+        struct gpio_private *priv = file->private_data;
        if (_IOC_TYPE(cmd) != ETRAXGPIO_IOCTYPE)
                return -EINVAL;
@@ -707,6 +704,17 @@ gpio_ioctl(struct inode *inode, struct file *file,
        return 0;
 }
+static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       long ret;
+       lock_kernel();
+       ret = gpio_ioctl_unlocked(file, cmd, arg);
+       unlock_kernel();
+       return ret;
+}
 #ifdef CONFIG_ETRAX_VIRTUAL_GPIO
 static int
 virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
@@ -714,7 +722,7 @@ virtual_gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
        unsigned long flags;
        unsigned short val;
        unsigned short shadow;
-        struct gpio_private *priv = (struct gpio_private *)file->private_data;
+        struct gpio_private *priv = file->private_data;
        switch (_IOC_NR(cmd)) {
        case IO_SETBITS:
@@ -856,12 +864,12 @@ gpio_leds_ioctl(unsigned int cmd, unsigned long arg)
 }
 static const struct file_operations gpio_fops = {
-        .owner       = THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .poll        = gpio_poll,
+        .poll           = gpio_poll,
-        .ioctl       = gpio_ioctl,
+        .unlocked_ioctl = gpio_ioctl,
-        .write       = gpio_write,
+        .write          = gpio_write,
-        .open        = gpio_open,
+        .open           = gpio_open,
-        .release     = gpio_release,
+        .release        = gpio_release,
 };
 #ifdef CONFIG_ETRAX_VIRTUAL_GPIO
diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c
index 4889f196ecd6..ca248f3adb80 100644
--- a/arch/cris/arch-v32/drivers/sync_serial.c
+++ b/arch/cris/arch-v32/drivers/sync_serial.c
@@ -153,7 +153,7 @@ static int sync_serial_open(struct inode *, struct file*);
 static int sync_serial_release(struct inode*, struct file*);
 static unsigned int sync_serial_poll(struct file *filp, poll_table *wait);
-static int sync_serial_ioctl(struct inode*, struct file*,
+static int sync_serial_ioctl(struct file *,
                             unsigned int cmd, unsigned long arg);
 static ssize_t sync_serial_write(struct file * file, const char * buf,
                                 size_t count, loff_t *ppos);
@@ -241,13 +241,13 @@ static struct sync_port ports[]=
 #define NBR_PORTS ARRAY_SIZE(ports)
 static const struct file_operations sync_serial_fops = {
-        .owner   = THIS_MODULE,
+        .owner          = THIS_MODULE,
-        .write   = sync_serial_write,
+        .write          = sync_serial_write,
-        .read    = sync_serial_read,
+        .read           = sync_serial_read,
-        .poll    = sync_serial_poll,
+        .poll           = sync_serial_poll,
-        .ioctl   = sync_serial_ioctl,
+        .unlocked_ioctl = sync_serial_ioctl,
-        .open    = sync_serial_open,
+        .open           = sync_serial_open,
-        .release = sync_serial_release
+        .release        = sync_serial_release
 };
 static int __init etrax_sync_serial_init(void)
@@ -650,7 +650,7 @@ static unsigned int sync_serial_poll(struct file *file, poll_table *wait)
        return mask;
 }
-static int sync_serial_ioctl(struct inode *inode, struct file *file,
+static int sync_serial_ioctl(struct file *file,
                  unsigned int cmd, unsigned long arg)
 {
        int return_val = 0;
@@ -961,6 +961,18 @@ static int sync_serial_ioctl(struct inode *inode, struct file *file,
        return return_val;
 }
+static long sync_serial_ioctl(struct file *file,
+                             unsigned int cmd, unsigned long arg)
+{
+       long ret;
+       lock_kernel();
+       ret = sync_serial_ioctl_unlocked(file, cmd, arg);
+       unlock_kernel();
+       return ret;
+}
 /* NOTE: sync_serial_write does not support concurrency */
 static ssize_t sync_serial_write(struct file *file, const char *buf,
                                 size_t count, loff_t *ppos)
diff --git a/arch/cris/arch-v32/kernel/cacheflush.S b/arch/cris/arch-v32/kernel/cacheflush.S
index 956e8fb82f01..6fc3d95d7029 100644
--- a/arch/cris/arch-v32/kernel/cacheflush.S
+++ b/arch/cris/arch-v32/kernel/cacheflush.S
@@ -1,4 +1,5 @@
        .global cris_flush_cache_range
+        .type   cris_flush_cache_range, @function
 cris_flush_cache_range:
        move.d 1024, $r12
        cmp.d $r11, $r12
@@ -80,8 +81,10 @@ cris_flush_1KB:
        addq 32, $r10
        ba cris_flush_cache_range
        sub.d $r12, $r11
+        .size   cris_flush_cache_range, . - cris_flush_cache_range
        .global cris_flush_cache
+        .type   cris_flush_cache, @function
 cris_flush_cache:
        moveq 0, $r10
 cris_flush_line:
@@ -92,3 +95,5 @@ cris_flush_line:
        fidxd [$r10]
        ret
        nop
+        .size   cris_flush_cache, . - cris_flush_cache
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 1f39861eac8c..0ecb50b8f0d9 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -76,12 +76,15 @@ _need_resched:
        ; Called at exit from fork. schedule_tail must be called to drop
        ; spinlock if CONFIG_PREEMPT.
+        .type   ret_from_fork,@function
 ret_from_fork:
        jsr schedule_tail
        nop
        ba  ret_from_sys_call
        nop
+        .size   ret_from_fork, . - ret_from_fork
+        .type   ret_from_intr,@function
 ret_from_intr:
        ;; Check for resched if preemptive kernel, or if we're going back to
        ;; user-mode. This test matches the user_regs(regs) macro. Don't simply
@@ -91,9 +94,10 @@ ret_from_intr:
        move.d  [$acr], $r0
        btstq   16, $r0                 ; User-mode flag.
        bpl     _resume_kernel
+        .size   ret_from_intr, . - ret_from_intr + 2    ; +2 includes the dslot.
        ; Note that di below is in delay slot.
+        .type   _resume_userspace,@function
 _resume_userspace:
        di                      ; So need_resched and sigpending don't change.
@@ -107,6 +111,7 @@ _resume_userspace:
        nop
        ba      _Rexit
        nop
+        .size   _resume_userspace, . - _resume_userspace
        ;; The system_call is called by a BREAK instruction, which looks pretty
        ;; much like any other exception.
@@ -122,30 +127,28 @@ _resume_userspace:
        ;; non-used instructions. Only the non-common cases cause the outlined code
        ;; to run..
+        .type   system_call,@function
 system_call:
        ;; Stack-frame similar to the irq heads, which is reversed in
        ;; ret_from_sys_call.
-        subq    12, $sp         ; Skip EXS, EDA.
-        move    $erp, [$sp]
-        subq    4, $sp
-        move    $srp, [$sp]
-        subq    4, $sp
-        move    $ccs, [$sp]
-        subq    4, $sp
-        ei                      ; Allow IRQs while handling system call
-        move    $spc, [$sp]
-        subq    4, $sp
-        move    $mof, [$sp]
-        subq    4, $sp
-        move    $srs, [$sp]
-        subq    4, $sp
-        move.d  $acr, [$sp]
-        subq    14*4, $sp       ; Make room for R0-R13.
-        movem   $r13, [$sp]     ; Push R0-R13
-        subq    4, $sp
-        move.d  $r10, [$sp]     ; Push orig_r10.
-; Set S-bit when kernel debugging to keep hardware breakpoints active.
+        sub.d   92, $sp         ; Skip EXS and EDA.
+        movem   $r13, [$sp]
+        move.d  $sp, $r8
+        addq    14*4, $r8
+        move.d  $acr, $r0
+        move    $srs, $r1
+        move    $mof, $r2
+        move    $spc, $r3
+        move    $ccs, $r4
+        move    $srp, $r5
+        move    $erp, $r6
+        subq    4, $sp
+        movem   $r6, [$r8]
+        ei                      ; Enable interrupts while processing syscalls.
+        move.d  $r10, [$sp]
+        ; Set S-bit when kernel debugging to keep hardware breakpoints active.
 #ifdef CONFIG_ETRAX_KGDB
        move $ccs, $r0
        or.d (1<<9), $r0
@@ -217,7 +220,9 @@ ret_from_sys_call:
        and.d   _TIF_ALLWORK_MASK, $r1
        bne     _syscall_exit_work
        nop
+        .size   system_call, . - system_call
+        .type   _Rexit,@function
 _Rexit:
        ;; This epilogue MUST match the prologues in multiple_interrupt, irq.h
        ;; and ptregs.h.
@@ -234,10 +239,12 @@ _Rexit:
        addq    8, $sp          ; Skip EXS, EDA.
        jump    $erp
        rfe                     ; Restore condition code stack in delay-slot.
+        .size   _Rexit, . - _Rexit
        ;; We get here after doing a syscall if extra work might need to be done
        ;; perform syscall exit tracing if needed.
+        .type   _syscall_exit_work,@function
 _syscall_exit_work:
        ;; R0 contains current at this point and irq's are disabled.
@@ -253,14 +260,18 @@ _syscall_exit_work:
        move.d  $r1, $r9
        ba      _resume_userspace
        nop
+        .size   _syscall_exit_work, . - _syscall_exit_work
+        .type   _work_pending,@function
 _work_pending:
        addoq   +TI_flags, $r0, $acr
        move.d  [$acr], $r10
        btstq   TIF_NEED_RESCHED, $r10  ; Need resched?
        bpl     _work_notifysig         ; No, must be signal/notify.
        nop
+        .size   _work_pending, . - _work_pending
+        .type   _work_resched,@function
 _work_resched:
        move.d  $r9, $r1                ; Preserve R9.
        jsr     schedule
@@ -276,7 +287,9 @@ _work_resched:
        btstq   TIF_NEED_RESCHED, $r1
        bmi     _work_resched           ; current->work.need_resched.
        nop
+        .size   _work_resched, . - _work_resched
+        .type   _work_notifysig,@function
 _work_notifysig:
        ;; Deal with pending signals and notify-resume requests.
@@ -288,6 +301,7 @@ _work_notifysig:
        ba _Rexit
        nop
+        .size   _work_notifysig, . - _work_notifysig
        ;; We get here as a sidetrack when we've entered a syscall with the
        ;; trace-bit set. We need to call do_syscall_trace and then continue
@@ -329,41 +343,43 @@ _syscall_trace_entry:
        ;;
        ;; Returns old current in R10.
+        .type   resume,@function
 resume:
-        subq    4, $sp
+        subq    4, $sp                  ; Make space for srp.
-        move    $srp, [$sp]             ; Keep old/new PC on the stack.
        add.d   $r12, $r10              ; R10 = current tasks tss.
        addoq   +THREAD_ccs, $r10, $acr
+        move    $srp, [$sp]             ; Keep old/new PC on the stack.
        move    $ccs, [$acr]            ; Save IRQ enable state.
        di
        addoq   +THREAD_usp, $r10, $acr
+        subq    10*4, $sp               ; Make room for R9.
        move    $usp, [$acr]            ; Save user-mode stackpointer.
        ;; See copy_thread for the reason why register R9 is saved.
-        subq    10*4, $sp
        movem   $r9, [$sp]              ; Save non-scratch registers and R9.
        addoq   +THREAD_ksp, $r10, $acr
+        move.d  $sp, $r10               ; Return last running task in R10.
        move.d  $sp, [$acr]             ; Save kernel SP for old task.
-        move.d  $sp, $r10               ; Return last running task in R10.
        and.d   -8192, $r10             ; Get thread_info from stackpointer.
        addoq   +TI_task, $r10, $acr
-        move.d  [$acr], $r10            ; Get task.
        add.d   $r12, $r11              ; Find the new tasks tss.
+        move.d  [$acr], $r10            ; Get task.
        addoq   +THREAD_ksp, $r11, $acr
        move.d  [$acr], $sp             ; Switch to new stackframe.
+        addoq   +THREAD_usp, $r11, $acr
        movem   [$sp+], $r9             ; Restore non-scratch registers and R9.
-        addoq   +THREAD_usp, $r11, $acr
        move    [$acr], $usp            ; Restore user-mode stackpointer.
        addoq   +THREAD_ccs, $r11, $acr
+        move.d  [$sp+], $r11
+        jump    $r11                    ; Restore PC.
        move    [$acr], $ccs            ; Restore IRQ enable status.
-        move.d  [$sp+], $acr
+        .size   resume, . - resume
-        jump    $acr                    ; Restore PC.
-        nop
 nmi_interrupt:
@@ -426,6 +442,7 @@ spurious_interrupt:
        ;; time. Jump to the first set interrupt bit in a priotiry fashion. The
        ;; hardware will call the unserved interrupts after the handler
        ;; finishes.
+        .type   multiple_interrupt, @function
 multiple_interrupt:
        ;; This prologue MUST match the one in irq.h and the struct in ptregs.h!
        subq    12, $sp         ; Skip EXS, EDA.
@@ -458,6 +475,7 @@ multiple_interrupt:
        move.d  $sp, $r10
        jump    ret_from_intr
        nop
+        .size   multiple_interrupt, . - multiple_interrupt
 do_sigtrap:
        ;; Sigtraps the process that executed the BREAK instruction. Creates a
@@ -514,11 +532,13 @@ _ugdb_handle_exception:
        move.d  [$sp+], $r0             ; Restore R0 in delay slot.
        .global kernel_execve
+        .type   kernel_execve,@function
 kernel_execve:
        move.d __NR_execve, $r9
        break 13
        ret
        nop
+        .size   kernel_execve, . - kernel_execve
        .data
diff --git a/arch/cris/arch-v32/kernel/head.S b/arch/cris/arch-v32/kernel/head.S
index 76266f80a5f1..5d502b9ab56d 100644
--- a/arch/cris/arch-v32/kernel/head.S
+++ b/arch/cris/arch-v32/kernel/head.S
@@ -69,7 +69,13 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */
        ;;
        ;; Note; 3 cycles is needed for a bank-select to take effect. Further;
        ;; bank 1 is the instruction MMU, bank 2 is the data MMU.
-#ifndef CONFIG_ETRAX_VCS_SIM
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+        move.d  REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 8)       \
+                | REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4)     \
+                | REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 5)     \
+                | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb), $r0
+#elif !defined(CONFIG_ETRAX_VCS_SIM)
        move.d  REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 8)       \
                | REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 4)     \
                | REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb), $r0
@@ -88,7 +94,39 @@ secondary_cpu_entry: /* Entry point for secondary CPUs */
        ;; Enable certain page protections and setup linear mapping
        ;; for f,e,c,b,4,0.
-#ifndef CONFIG_ETRAX_VCS_SIM
+        ;; ARTPEC-3:
+        ;; c,d used for linear kernel mapping, up to 512 MB
+        ;; e used for vmalloc
+        ;; f unused, but page mapped to get page faults
+        ;; ETRAX FS:
+        ;; c used for linear kernel mapping, up to 256 MB
+        ;; d used for vmalloc
+        ;; e,f used for memory-mapped NOR flash
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+        move.d  REG_STATE(mmu, rw_mm_cfg, we, on)               \
+                | REG_STATE(mmu, rw_mm_cfg, acc, on)            \
+                | REG_STATE(mmu, rw_mm_cfg, ex, on)             \
+                | REG_STATE(mmu, rw_mm_cfg, inv, on)            \
+                | REG_STATE(mmu, rw_mm_cfg, seg_f, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_e, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_d, linear)      \
+                | REG_STATE(mmu, rw_mm_cfg, seg_c, linear)      \
+                | REG_STATE(mmu, rw_mm_cfg, seg_b, linear)      \
+                | REG_STATE(mmu, rw_mm_cfg, seg_a, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_9, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_8, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_7, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_6, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_5, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_4, linear)      \
+                | REG_STATE(mmu, rw_mm_cfg, seg_3, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_2, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_1, page)        \
+                | REG_STATE(mmu, rw_mm_cfg, seg_0, linear), $r2
+#elif !defined(CONFIG_ETRAX_VCS_SIM)
        move.d  REG_STATE(mmu, rw_mm_cfg, we, on)               \
                | REG_STATE(mmu, rw_mm_cfg, acc, on)            \
                | REG_STATE(mmu, rw_mm_cfg, ex, on)             \
@@ -329,7 +367,7 @@ _no_romfs_in_flash:
        ;; For jffs2, a jhead is prepended which contains with magic and length.
        ;; The jhead is not part of the jffs2 partition however.
 #ifndef CONFIG_ETRAXFS_SIM
-        move.d  __vmlinux_end, $r0
+        move.d  __bss_start, $r0
 #else
        move.d  __end, $r0
 #endif
diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c
index 0b1febe44aa3..2ed48ae3d313 100644
--- a/arch/cris/arch-v32/kernel/irq.c
+++ b/arch/cris/arch-v32/kernel/irq.c
@@ -97,7 +97,11 @@ extern void breakh_BUG(void);
 /*
 * Build the IRQ handler stubs using macros from irq.h.
 */
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+BUILD_TIMER_IRQ(0x31, 0)
+#else
 BUILD_IRQ(0x31)
+#endif
 BUILD_IRQ(0x32)
 BUILD_IRQ(0x33)
 BUILD_IRQ(0x34)
@@ -123,7 +127,11 @@ BUILD_IRQ(0x47)
 BUILD_IRQ(0x48)
 BUILD_IRQ(0x49)
 BUILD_IRQ(0x4a)
+#ifdef CONFIG_ETRAXFS
+BUILD_TIMER_IRQ(0x4b, 0)
+#else
 BUILD_IRQ(0x4b)
+#endif
 BUILD_IRQ(0x4c)
 BUILD_IRQ(0x4d)
 BUILD_IRQ(0x4e)
@@ -199,25 +207,20 @@ block_irq(int irq, int cpu)
        unsigned long flags;
        spin_lock_irqsave(&irq_lock, flags);
-        if (irq - FIRST_IRQ < 32)
+        /* Remember, 1 let thru, 0 block. */
+        if (irq - FIRST_IRQ < 32) {
                intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
                        rw_mask, 0);
-        else
-                intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
-                        rw_mask, 1);
-        /* Remember; 1 let thru, 0 block. */
-        if (irq - FIRST_IRQ < 32)
                intr_mask &= ~(1 << (irq - FIRST_IRQ));
-        else
-                intr_mask &= ~(1 << (irq - FIRST_IRQ - 32));
-        if (irq - FIRST_IRQ < 32)
                REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
                        0, intr_mask);
-        else
+        } else {
+                intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
+                        rw_mask, 1);
+                intr_mask &= ~(1 << (irq - FIRST_IRQ - 32));
                REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
                        1, intr_mask);
+        }
        spin_unlock_irqrestore(&irq_lock, flags);
 }
@@ -228,26 +231,20 @@ unblock_irq(int irq, int cpu)
        unsigned long flags;
        spin_lock_irqsave(&irq_lock, flags);
-        if (irq - FIRST_IRQ < 32)
+        /* Remember, 1 let thru, 0 block. */
+        if (irq - FIRST_IRQ < 32) {
                intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
                        rw_mask, 0);
-        else
-                intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
-                        rw_mask, 1);
-        /* Remember; 1 let thru, 0 block. */
-        if (irq - FIRST_IRQ < 32)
                intr_mask |= (1 << (irq - FIRST_IRQ));
-        else
-                intr_mask |= (1 << (irq - FIRST_IRQ - 32));
-        if (irq - FIRST_IRQ < 32)
                REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
                        0, intr_mask);
-        else
+        } else {
+                intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu],
+                        rw_mask, 1);
+                intr_mask |= (1 << (irq - FIRST_IRQ - 32));
                REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask,
                        1, intr_mask);
+        }
        spin_unlock_irqrestore(&irq_lock, flags);
 }
diff --git a/arch/cris/arch-v32/kernel/kgdb.c b/arch/cris/arch-v32/kernel/kgdb.c
index c981fd663323..6b653323d796 100644
--- a/arch/cris/arch-v32/kernel/kgdb.c
+++ b/arch/cris/arch-v32/kernel/kgdb.c
@@ -174,10 +174,10 @@
 #include <asm/ptrace.h>
 #include <asm/irq.h>
-#include <arch/hwregs/reg_map.h>
+#include <hwregs/reg_map.h>
-#include <arch/hwregs/reg_rdwr.h>
+#include <hwregs/reg_rdwr.h>
-#include <arch/hwregs/intr_vect_defs.h>
+#include <hwregs/intr_vect_defs.h>
-#include <arch/hwregs/ser_defs.h>
+#include <hwregs/ser_defs.h>
 /* From entry.S. */
 extern void gdb_handle_exception(void);
@@ -988,26 +988,26 @@ stub_is_stopped(int sigval)
        }
        /* Only send PC, frame and stack pointer. */
        read_register(PC, &reg_cont);
-        ptr = pack_hex_byte(PC);
+        ptr = pack_hex_byte(ptr, PC);
        *ptr++ = ':';
        ptr = mem2hex(ptr, (unsigned char *)&reg_cont, register_size[PC]);
        *ptr++ = ';';
        read_register(R8, &reg_cont);
-        ptr = pack_hex_byte(R8);
+        ptr = pack_hex_byte(ptr, R8);
        *ptr++ = ':';
        ptr = mem2hex(ptr, (unsigned char *)&reg_cont, register_size[R8]);
        *ptr++ = ';';
        read_register(SP, &reg_cont);
-        ptr = pack_hex_byte(SP);
+        ptr = pack_hex_byte(ptr, SP);
        *ptr++ = ':';
        ptr = mem2hex(ptr, (unsigned char *)&reg_cont, register_size[SP]);
        *ptr++ = ';';
        /* Send ERP as well; this will save us an entire register fetch in some cases. */
        read_register(ERP, &reg_cont);
-        ptr = pack_hex_byte(ERP);
+        ptr = pack_hex_byte(ptr, ERP);
        *ptr++ = ':';
        ptr = mem2hex(ptr, (unsigned char *)&reg_cont, register_size[ERP]);
        *ptr++ = ';';
diff --git a/arch/cris/arch-v32/kernel/kgdb_asm.S b/arch/cris/arch-v32/kernel/kgdb_asm.S
index eba93e7e4aad..f3a47605902a 100644
--- a/arch/cris/arch-v32/kernel/kgdb_asm.S
+++ b/arch/cris/arch-v32/kernel/kgdb_asm.S
@@ -5,7 +5,7 @@
 * port exceptions for kernel debugging purposes.
 */
-#include <arch/hwregs/intr_vect.h>
+#include <hwregs/intr_vect.h>
        ;; Exported functions.
        .globl kgdb_handle_exception
diff --git a/arch/cris/arch-v32/kernel/pinmux.c b/arch/cris/arch-v32/kernel/pinmux.c
deleted file mode 100644
index f6f3637a4194..000000000000
--- a/arch/cris/arch-v32/kernel/pinmux.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Allocator for I/O pins. All pins are allocated to GPIO at bootup.
- * Unassigned pins and GPIO pins can be allocated to a fixed interface
- * or the I/O processor instead.
- *
- * Copyright (c) 2004 Axis Communications AB.
- */
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/spinlock.h>
-#include <arch/hwregs/reg_map.h>
-#include <arch/hwregs/reg_rdwr.h>
-#include <arch/pinmux.h>
-#include <arch/hwregs/pinmux_defs.h>
-#undef DEBUG
-#define PORT_PINS 18
-#define PORTS 4
-static char pins[PORTS][PORT_PINS];
-static DEFINE_SPINLOCK(pinmux_lock);
-static void crisv32_pinmux_set(int port);
-int
-crisv32_pinmux_init(void)
-{
-        static int initialized = 0;
-        if (!initialized) {
-                reg_pinmux_rw_pa pa = REG_RD(pinmux, regi_pinmux, rw_pa);
-                initialized = 1;
-                pa.pa0 = pa.pa1 = pa.pa2 = pa.pa3 =
-                pa.pa4 = pa.pa5 = pa.pa6 = pa.pa7 = regk_pinmux_yes;
-                REG_WR(pinmux, regi_pinmux, rw_pa, pa);
-                crisv32_pinmux_alloc(PORT_B, 0, PORT_PINS - 1, pinmux_gpio);
-                crisv32_pinmux_alloc(PORT_C, 0, PORT_PINS - 1, pinmux_gpio);
-                crisv32_pinmux_alloc(PORT_D, 0, PORT_PINS - 1, pinmux_gpio);
-                crisv32_pinmux_alloc(PORT_E, 0, PORT_PINS - 1, pinmux_gpio);
-        }
-        return 0;
-}
-int
-crisv32_pinmux_alloc(int port, int first_pin, int last_pin, enum pin_mode mode)
-{
-        int i;
-        unsigned long flags;
-        crisv32_pinmux_init();
-        if (port > PORTS || port < 0)
-                return -EINVAL;
-        spin_lock_irqsave(&pinmux_lock, flags);
-        for (i = first_pin; i <= last_pin; i++)
-        {
-                if ((pins[port][i] != pinmux_none) && (pins[port][i] != pinmux_gpio) &&
-                    (pins[port][i] != mode))
-                {
-                        spin_unlock_irqrestore(&pinmux_lock, flags);
-#ifdef DEBUG
-                        panic("Pinmux alloc failed!\n");
-#endif
-                        return -EPERM;
-                }
-        }
-        for (i = first_pin; i <= last_pin; i++)
-                pins[port][i] = mode;
-        crisv32_pinmux_set(port);
-        spin_unlock_irqrestore(&pinmux_lock, flags);
-        return 0;
-}
-int
-crisv32_pinmux_alloc_fixed(enum fixed_function function)
-{
-        int ret = -EINVAL;
-        char saved[sizeof pins];
-        unsigned long flags;
-        spin_lock_irqsave(&pinmux_lock, flags);
-        /* Save internal data for recovery */
-        memcpy(saved, pins, sizeof pins);
-        reg_pinmux_rw_hwprot hwprot = REG_RD(pinmux, regi_pinmux, rw_hwprot);
-        switch(function)
-        {
-        case pinmux_ser1:
-                ret = crisv32_pinmux_alloc(PORT_C, 4, 7, pinmux_fixed);
-                hwprot.ser1 = regk_pinmux_yes;
-                break;
-        case pinmux_ser2:
-                ret = crisv32_pinmux_alloc(PORT_C, 8, 11, pinmux_fixed);
-                hwprot.ser2 = regk_pinmux_yes;
-                break;
-        case pinmux_ser3:
-                ret = crisv32_pinmux_alloc(PORT_C, 12, 15, pinmux_fixed);
-                hwprot.ser3 = regk_pinmux_yes;
-                break;
-        case pinmux_sser0:
-                ret = crisv32_pinmux_alloc(PORT_C, 0, 3, pinmux_fixed);
-                ret |= crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed);
-                hwprot.sser0 = regk_pinmux_yes;
-                break;
-        case pinmux_sser1:
-                ret = crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed);
-                hwprot.sser1 = regk_pinmux_yes;
-                break;
-        case pinmux_ata0:
-                ret = crisv32_pinmux_alloc(PORT_D, 5, 7, pinmux_fixed);
-                ret |= crisv32_pinmux_alloc(PORT_D, 15, 17, pinmux_fixed);
-                hwprot.ata0 = regk_pinmux_yes;
-                break;
-        case pinmux_ata1:
-                ret = crisv32_pinmux_alloc(PORT_D, 0, 4, pinmux_fixed);
-                ret |= crisv32_pinmux_alloc(PORT_E, 17, 17, pinmux_fixed);
-                hwprot.ata1 = regk_pinmux_yes;
-                break;
-        case pinmux_ata2:
-                ret = crisv32_pinmux_alloc(PORT_C, 11, 15, pinmux_fixed);
-                ret |= crisv32_pinmux_alloc(PORT_E, 3, 3, pinmux_fixed);
-                hwprot.ata2 = regk_pinmux_yes;
-                break;
-        case pinmux_ata3:
-                ret = crisv32_pinmux_alloc(PORT_C, 8, 10, pinmux_fixed);
-                ret |= crisv32_pinmux_alloc(PORT_C, 0, 2, pinmux_fixed);
-                hwprot.ata2 = regk_pinmux_yes;
-                break;
-        case pinmux_ata:
-                ret = crisv32_pinmux_alloc(PORT_B, 0, 15, pinmux_fixed);
-                ret |= crisv32_pinmux_alloc(PORT_D, 8, 15, pinmux_fixed);
-                hwprot.ata = regk_pinmux_yes;
-                break;
-        case pinmux_eth1:
-                ret = crisv32_pinmux_alloc(PORT_E, 0, 17, pinmux_fixed);
-                hwprot.eth1 = regk_pinmux_yes;
-                hwprot.eth1_mgm = regk_pinmux_yes;
-                break;
-        case pinmux_timer:
-                ret = crisv32_pinmux_alloc(PORT_C, 16, 16, pinmux_fixed);
-                hwprot.timer = regk_pinmux_yes;
-                spin_unlock_irqrestore(&pinmux_lock, flags);
-                return ret;
-        }
-        if (!ret)
-                REG_WR(pinmux, regi_pinmux, rw_hwprot, hwprot);
-        else
-                memcpy(pins, saved, sizeof pins);
-  spin_unlock_irqrestore(&pinmux_lock, flags);
-  return ret;
-}
-void
-crisv32_pinmux_set(int port)
-{
-        int i;
-        int gpio_val = 0;
-        int iop_val = 0;
-        for (i = 0; i < PORT_PINS; i++)
-        {
-                if (pins[port][i] == pinmux_gpio)
-                        gpio_val |= (1 << i);
-                else if (pins[port][i] == pinmux_iop)
-                        iop_val |= (1 << i);
-        }
-        REG_WRITE(int, regi_pinmux + REG_RD_ADDR_pinmux_rw_pb_gio + 8*port, gpio_val);
-        REG_WRITE(int, regi_pinmux + REG_RD_ADDR_pinmux_rw_pb_iop + 8*port, iop_val);
-#ifdef DEBUG
-       crisv32_pinmux_dump();
-#endif
-}
-int
-crisv32_pinmux_dealloc(int port, int first_pin, int last_pin)
-{
-        int i;
-        unsigned long flags;
-        crisv32_pinmux_init();
-        if (port > PORTS || port < 0)
-                return -EINVAL;
-        spin_lock_irqsave(&pinmux_lock, flags);
-        for (i = first_pin; i <= last_pin; i++)
-                pins[port][i] = pinmux_none;
-        crisv32_pinmux_set(port);
-        spin_unlock_irqrestore(&pinmux_lock, flags);
-        return 0;
-}
-void
-crisv32_pinmux_dump(void)
-{
-        int i, j;
-        crisv32_pinmux_init();
-        for (i = 0; i < PORTS; i++)
-        {
-                printk("Port %c\n", 'B'+i);
-                for (j = 0; j < PORT_PINS; j++)
-                        printk("  Pin %d = %d\n", j, pins[i][j]);
-        }
-}
-__initcall(crisv32_pinmux_init);
diff --git a/arch/cris/arch-v32/kernel/setup.c b/arch/cris/arch-v32/kernel/setup.c
index 72e9e8331f63..61e10ae65296 100644
--- a/arch/cris/arch-v32/kernel/setup.c
+++ b/arch/cris/arch-v32/kernel/setup.c
@@ -9,6 +9,9 @@
 #include <linux/delay.h>
 #include <linux/param.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
 #ifdef CONFIG_PROC_FS
 #define HAS_FPU         0x0001
@@ -43,14 +46,15 @@ static struct cpu_info cpinfo[] = {
        {"ETRAX 100LX v2", 11, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
                                | HAS_MMU},
+#ifdef CONFIG_ETRAXFS
        {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU},
+#else
+        {"ARTPEC-3", 32, 32, HAS_ETHERNET100 | HAS_MMU},
+#endif
        {"Unknown", 0, 0, 0}
 };
-int
+int show_cpuinfo(struct seq_file *m, void *v)
-show_cpuinfo(struct seq_file *m, void *v)
 {
        int i;
        int cpu = (int)v - 1;
@@ -107,9 +111,63 @@ show_cpuinfo(struct seq_file *m, void *v)
 #endif /* CONFIG_PROC_FS */
-void
+void show_etrax_copyright(void)
-show_etrax_copyright(void)
+{
+#ifdef CONFIG_ETRAXFS
+        printk(KERN_INFO "Linux/CRISv32 port on ETRAX FS "
+                "(C) 2003, 2004 Axis Communications AB\n");
+#else
+        printk(KERN_INFO "Linux/CRISv32 port on ARTPEC-3 "
+                "(C) 2003-2009 Axis Communications AB\n");
+#endif
+}
+static struct i2c_board_info __initdata i2c_info[] = {
+        {I2C_BOARD_INFO("camblock", 0x43)},
+        {I2C_BOARD_INFO("tmp100", 0x48)},
+        {I2C_BOARD_INFO("tmp100", 0x4A)},
+        {I2C_BOARD_INFO("tmp100", 0x4C)},
+        {I2C_BOARD_INFO("tmp100", 0x4D)},
+        {I2C_BOARD_INFO("tmp100", 0x4E)},
+#ifdef CONFIG_RTC_DRV_PCF8563
+        {I2C_BOARD_INFO("pcf8563", 0x51)},
+#endif
+#ifdef CONFIG_ETRAX_VIRTUAL_GPIO
+        {I2C_BOARD_INFO("vgpio", 0x20)},
+        {I2C_BOARD_INFO("vgpio", 0x21)},
+#endif
+        {I2C_BOARD_INFO("pca9536", 0x41)},
+        {I2C_BOARD_INFO("fnp300", 0x40)},
+        {I2C_BOARD_INFO("fnp300", 0x42)},
+        {I2C_BOARD_INFO("adc101", 0x54)},
+};
+static struct i2c_board_info __initdata i2c_info2[] = {
+        {I2C_BOARD_INFO("camblock", 0x43)},
+        {I2C_BOARD_INFO("tmp100", 0x48)},
+        {I2C_BOARD_INFO("tmp100", 0x4A)},
+        {I2C_BOARD_INFO("tmp100", 0x4C)},
+        {I2C_BOARD_INFO("tmp100", 0x4D)},
+        {I2C_BOARD_INFO("tmp100", 0x4E)},
+#ifdef CONFIG_ETRAX_VIRTUAL_GPIO
+        {I2C_BOARD_INFO("vgpio", 0x20)},
+        {I2C_BOARD_INFO("vgpio", 0x21)},
+#endif
+        {I2C_BOARD_INFO("pca9536", 0x41)},
+        {I2C_BOARD_INFO("fnp300", 0x40)},
+        {I2C_BOARD_INFO("fnp300", 0x42)},
+        {I2C_BOARD_INFO("adc101", 0x54)},
+};
+static struct i2c_board_info __initdata i2c_info3[] = {
+        {I2C_BOARD_INFO("adc101", 0x54)},
+};
+static int __init etrax_init(void)
 {
-        printk(KERN_INFO
+        i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
-               "Linux/CRISv32 port on ETRAX FS (C) 2003, 2004 Axis Communications AB\n");
+        i2c_register_board_info(1, i2c_info2, ARRAY_SIZE(i2c_info2));
+        i2c_register_board_info(2, i2c_info3, ARRAY_SIZE(i2c_info3));
+        return 0;
 }
+arch_initcall(etrax_init);
diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c
index 0b7e3f143281..b3a05ae56214 100644
--- a/arch/cris/arch-v32/kernel/signal.c
+++ b/arch/cris/arch-v32/kernel/signal.c
@@ -587,7 +587,7 @@ do_signal(int canrestart, struct pt_regs *regs)
                }
                if (regs->r10 == -ERESTART_RESTARTBLOCK){
-                        regs->r10 = __NR_restart_syscall;
+                        regs->r9 = __NR_restart_syscall;
                        regs->erp -= 2;
                }
        }
diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index 1ee0e1010228..a545211e999d 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -1,13 +1,13 @@
 /*
 *  linux/arch/cris/arch-v32/kernel/time.c
 *
- *  Copyright (C) 2003-2007 Axis Communications AB
+ *  Copyright (C) 2003-2010 Axis Communications AB
 *
 */
 #include <linux/timex.h>
 #include <linux/time.h>
-#include <linux/jiffies.h>
+#include <linux/clocksource.h>
 #include <linux/interrupt.h>
 #include <linux/swap.h>
 #include <linux/sched.h>
@@ -36,6 +36,30 @@
 /* Number of 763 counts before watchdog bites */
 #define ETRAX_WD_CNT            ((2*ETRAX_WD_HZ)/HZ + 1)
+/* Register the continuos readonly timer available in FS and ARTPEC-3.  */
+static cycle_t read_cont_rotime(struct clocksource *cs)
+{
+        return (u32)REG_RD(timer, regi_timer0, r_time);
+}
+static struct clocksource cont_rotime = {
+        .name   = "crisv32_rotime",
+        .rating = 300,
+        .read   = read_cont_rotime,
+        .mask   = CLOCKSOURCE_MASK(32),
+        .shift  = 10,
+        .flags  = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+static int __init etrax_init_cont_rotime(void)
+{
+        cont_rotime.mult = clocksource_khz2mult(100000, cont_rotime.shift);
+        clocksource_register(&cont_rotime);
+        return 0;
+}
+arch_initcall(etrax_init_cont_rotime);
 unsigned long timer_regs[NR_CPUS] =
 {
        regi_timer0,
@@ -67,43 +91,6 @@ unsigned long get_ns_in_jiffie(void)
        return ns;
 }
-unsigned long do_slow_gettimeoffset(void)
-{
-        unsigned long count;
-        unsigned long usec_count = 0;
-        /* For the first call after boot */
-        static unsigned long count_p = TIMER0_DIV;
-        static unsigned long jiffies_p = 0;
-        /* Cache volatile jiffies temporarily; we have IRQs turned off. */
-        unsigned long jiffies_t;
-        /* The timer interrupt comes from Etrax timer 0. In order to get
-         * better precision, we check the current value. It might have
-         * underflowed already though. */
-        count = REG_RD(timer, regi_timer0, r_tmr0_data);
-        jiffies_t = jiffies;
-        /* Avoiding timer inconsistencies (they are rare, but they happen)
-         * There is one problem that must be avoided here:
-         *      1. the timer counter underflows
-         */
-        if( jiffies_t == jiffies_p ) {
-                if( count > count_p ) {
-                        /* Timer wrapped, use new count and prescale.
-                         * Increase the time corresponding to one jiffy.
-                         */
-                        usec_count = 1000000/HZ;
-                }
-        } else
-                jiffies_p = jiffies_t;
-        count_p = count;
-        /* Convert timer value to usec */
-        /* 100 MHz timer, divide by 100 to get usec */
-        usec_count +=  (TIMER0_DIV - count) / 100;
-        return usec_count;
-}
 /* From timer MDS describing the hardware watchdog:
 * 4.3.1 Watchdog Operation
@@ -126,8 +113,7 @@ static short int watchdog_key = 42;  /* arbitrary 7 bit number */
 * is used though, so set this really low. */
 #define WATCHDOG_MIN_FREE_PAGES 8
-void
+void reset_watchdog(void)
-reset_watchdog(void)
 {
 #if defined(CONFIG_ETRAX_WATCHDOG)
        reg_timer_rw_wd_ctrl wd_ctrl = { 0 };
@@ -147,8 +133,7 @@ reset_watchdog(void)
 /* stop the watchdog - we still need the correct key */
-void
+void stop_watchdog(void)
-stop_watchdog(void)
 {
 #if defined(CONFIG_ETRAX_WATCHDOG)
        reg_timer_rw_wd_ctrl wd_ctrl = { 0 };
@@ -162,8 +147,7 @@ stop_watchdog(void)
 extern void show_registers(struct pt_regs *regs);
-void
+void handle_watchdog_bite(struct pt_regs *regs)
-handle_watchdog_bite(struct pt_regs* regs)
 {
 #if defined(CONFIG_ETRAX_WATCHDOG)
        extern int cause_of_death;
@@ -203,8 +187,7 @@ handle_watchdog_bite(struct pt_regs* regs)
 */
 extern void cris_do_profile(struct pt_regs *regs);
-static inline irqreturn_t
+static inline irqreturn_t timer_interrupt(int irq, void *dev_id)
-timer_interrupt(int irq, void *dev_id)
 {
        struct pt_regs *regs = get_irq_regs();
        int cpu = smp_processor_id();
@@ -233,7 +216,9 @@ timer_interrupt(int irq, void *dev_id)
                return IRQ_HANDLED;
        /* Call the real timer interrupt handler */
+        write_seqlock(&xtime_lock);
        do_timer(1);
+        write_sequnlock(&xtime_lock);
        return IRQ_HANDLED;
 }
@@ -246,8 +231,7 @@ static struct irqaction irq_timer = {
        .name = "timer"
 };
-void __init
+void __init cris_timer_init(void)
-cris_timer_init(void)
 {
        int cpu = smp_processor_id();
        reg_timer_rw_tmr0_ctrl tmr0_ctrl = { 0 };
@@ -273,8 +257,7 @@ cris_timer_init(void)
        REG_WR(timer, timer_regs[cpu], rw_intr_mask, timer_intr_mask);
 }
-void __init
+void __init time_init(void)
-time_init(void)
 {
        reg_intr_vect_rw_mask intr_mask;
diff --git a/arch/cris/arch-v32/kernel/traps.c b/arch/cris/arch-v32/kernel/traps.c
index 9003e382cada..8bbe09c93132 100644
--- a/arch/cris/arch-v32/kernel/traps.c
+++ b/arch/cris/arch-v32/kernel/traps.c
@@ -9,8 +9,7 @@
 #include <hwregs/intr_vect_defs.h>
 #include <asm/irq.h>
-void
+void show_registers(struct pt_regs *regs)
-show_registers(struct pt_regs *regs)
 {
        /*
         * It's possible to use either the USP register or current->thread.usp.
@@ -101,8 +100,7 @@ bad_value:
        }
 }
-void
+void arch_enable_nmi(void)
-arch_enable_nmi(void)
 {
        unsigned long flags;
diff --git a/arch/cris/arch-v32/lib/checksum.S b/arch/cris/arch-v32/lib/checksum.S
index 87f3fd71ab10..4a72a94a49ad 100644
--- a/arch/cris/arch-v32/lib/checksum.S
+++ b/arch/cris/arch-v32/lib/checksum.S
@@ -6,6 +6,7 @@
 */
        .globl  csum_partial
+        .type   csum_partial,@function
 csum_partial:
        ;; r10 - src
@@ -83,3 +84,5 @@ _do_byte:
        addu.b  [$r10],$r12
        ret
        move.d  $r12,$r10
+        .size   csum_partial, .-csum_partial
diff --git a/arch/cris/arch-v32/lib/checksumcopy.S b/arch/cris/arch-v32/lib/checksumcopy.S
index 21aabe91489b..54e209f18b06 100644
--- a/arch/cris/arch-v32/lib/checksumcopy.S
+++ b/arch/cris/arch-v32/lib/checksumcopy.S
@@ -9,6 +9,7 @@
 */
        .globl  csum_partial_copy_nocheck
+        .type   csum_partial_copy_nocheck,@function
 csum_partial_copy_nocheck:
        ;; r10 - src
@@ -89,3 +90,5 @@ _do_byte:
        move.b  $r9,[$r11]
        ret
        move.d  $r13,$r10
+        .size   csum_partial_copy_nocheck, . - csum_partial_copy_nocheck
diff --git a/arch/cris/arch-v32/lib/spinlock.S b/arch/cris/arch-v32/lib/spinlock.S
index 79087ef59a1c..fe610b9d775f 100644
--- a/arch/cris/arch-v32/lib/spinlock.S
+++ b/arch/cris/arch-v32/lib/spinlock.S
@@ -6,7 +6,9 @@
        .global cris_spin_lock
+        .type   cris_spin_lock,@function
        .global cris_spin_trylock
+        .type   cris_spin_trylock,@function
        .text
@@ -22,6 +24,8 @@ cris_spin_lock:
        ret
        nop
+        .size   cris_spin_lock, . - cris_spin_lock
 cris_spin_trylock:
        clearf  p
 1:      move.b  [$r10], $r11
@@ -31,3 +35,6 @@ cris_spin_trylock:
        clearf  p
        ret
        movu.b  $r11,$r10
+        .size   cris_spin_trylock, . - cris_spin_trylock
diff --git a/arch/cris/arch-v32/mach-a3/Kconfig b/arch/cris/arch-v32/mach-a3/Kconfig
index a4df06d5997a..7796aafc711e 100644
--- a/arch/cris/arch-v32/mach-a3/Kconfig
+++ b/arch/cris/arch-v32/mach-a3/Kconfig
@@ -33,6 +33,10 @@ config ETRAX_DDR2_CONFIG
        hex "DDR2 config"
        default "0"
+config ETRAX_DDR2_LATENCY
+        hex "DDR2 latency"
+        default "0"
 config ETRAX_PIO_CE0_CFG
       hex "PIO CE0 configuration"
       default "0"
diff --git a/arch/cris/arch-v32/mach-a3/dram_init.S b/arch/cris/arch-v32/mach-a3/dram_init.S
index 94d6b41cb299..ec8648be32d3 100644
--- a/arch/cris/arch-v32/mach-a3/dram_init.S
+++ b/arch/cris/arch-v32/mach-a3/dram_init.S
@@ -24,11 +24,21 @@
        ;; Refer to ddr2 MDS for initialization sequence
+        ; 2. Wait 200us
+        move.d   10000, $r2
+1:      bne      1b
+        subq     1, $r2
        ; Start clock
        move.d   REG_ADDR(ddr2, regi_ddr2_ctrl, rw_phy_cfg), $r0
        move.d   REG_STATE(ddr2, rw_phy_cfg, en, yes), $r1
        move.d   $r1, [$r0]
+        ; 2. Wait 200us
+        move.d   10000, $r2
+1:      bne      1b
+        subq     1, $r2
        ; Reset phy and start calibration
        move.d   REG_ADDR(ddr2, regi_ddr2_ctrl, rw_phy_ctrl), $r0
        move.d   REG_STATE(ddr2, rw_phy_ctrl, rst, yes) | \
@@ -52,6 +62,10 @@ do_cmd:
        lslq     16, $r1
        or.d     $r3, $r1
        move.d   $r1, [$r0]
+        ; 2. Wait 200us
+        move.d   10000, $r4
+1:      bne      1b
+        subq     1, $r4
        cmp.d    sdram_commands_end, $r2
        blo      command_loop
        nop
@@ -63,7 +77,7 @@ do_cmd:
        ; Set latency
        move.d   REG_ADDR(ddr2, regi_ddr2_ctrl, rw_latency), $r0
-        move.d   0x13, $r1
+        move.d   CONFIG_ETRAX_DDR2_LATENCY, $r1
        move.d   $r1, [$r0]
        ; Set configuration
diff --git a/arch/cris/arch-v32/mach-a3/hw_settings.S b/arch/cris/arch-v32/mach-a3/hw_settings.S
index 258a6329cd4a..0145725a1ce5 100644
--- a/arch/cris/arch-v32/mach-a3/hw_settings.S
+++ b/arch/cris/arch-v32/mach-a3/hw_settings.S
@@ -31,6 +31,8 @@
        ; Register values
        .dword REG_ADDR(ddr2, regi_ddr2_ctrl, rw_cfg)
        .dword CONFIG_ETRAX_DDR2_CONFIG
+        .dword REG_ADDR(ddr2, regi_ddr2_ctrl, rw_latency)
+        .dword CONFIG_ETRAX_DDR2_LATENCY
        .dword REG_ADDR(ddr2, regi_ddr2_ctrl, rw_timing)
        .dword CONFIG_ETRAX_DDR2_TIMING
        .dword CONFIG_ETRAX_DDR2_MRS
diff --git a/arch/cris/arch-v32/mm/init.c b/arch/cris/arch-v32/mm/init.c
index caeb921a92ea..0768bc409ca8 100644
--- a/arch/cris/arch-v32/mm/init.c
+++ b/arch/cris/arch-v32/mm/init.c
@@ -27,8 +27,7 @@ extern void tlb_init(void);
 * at kseg_4 thus the ksegs are set up again. Also clear the TLB and do various
 * other paging stuff.
 */
-void __init
+void __init cris_mmu_init(void)
-cris_mmu_init(void)
 {
        unsigned long mmu_config;
        unsigned long mmu_kbase_hi;
@@ -55,14 +54,23 @@ cris_mmu_init(void)
        /* Initialise the TLB. Function found in tlb.c. */
        tlb_init();
-        /* Enable exceptions and initialize the kernel segments. */
+        /*
+         * Enable exceptions and initialize the kernel segments.
+         * See head.S for differences between ARTPEC-3 and ETRAX FS.
+         */
        mmu_config = ( REG_STATE(mmu, rw_mm_cfg, we, on)        |
                       REG_STATE(mmu, rw_mm_cfg, acc, on)       |
                       REG_STATE(mmu, rw_mm_cfg, ex, on)        |
                       REG_STATE(mmu, rw_mm_cfg, inv, on)       |
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+                       REG_STATE(mmu, rw_mm_cfg, seg_f, page)   |
+                       REG_STATE(mmu, rw_mm_cfg, seg_e, page)   |
+                       REG_STATE(mmu, rw_mm_cfg, seg_d, linear) |
+#else
                       REG_STATE(mmu, rw_mm_cfg, seg_f, linear) |
                       REG_STATE(mmu, rw_mm_cfg, seg_e, linear) |
                       REG_STATE(mmu, rw_mm_cfg, seg_d, page)   |
+#endif
                       REG_STATE(mmu, rw_mm_cfg, seg_c, linear) |
                       REG_STATE(mmu, rw_mm_cfg, seg_b, linear) |
 #ifndef CONFIG_ETRAX_VCS_SIM
@@ -81,9 +89,15 @@ cris_mmu_init(void)
                       REG_STATE(mmu, rw_mm_cfg, seg_1, page)   |
                       REG_STATE(mmu, rw_mm_cfg, seg_0, page));
+        /* See head.S for differences between ARTPEC-3 and ETRAX FS. */
        mmu_kbase_hi = ( REG_FIELD(mmu, rw_mm_kbase_hi, base_f, 0x0) |
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+                         REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 0x0) |
+                         REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 0x5) |
+#else
                         REG_FIELD(mmu, rw_mm_kbase_hi, base_e, 0x8) |
                         REG_FIELD(mmu, rw_mm_kbase_hi, base_d, 0x0) |
+#endif
                         REG_FIELD(mmu, rw_mm_kbase_hi, base_c, 0x4) |
                         REG_FIELD(mmu, rw_mm_kbase_hi, base_b, 0xb) |
 #ifndef CONFIG_ETRAX_VCS_SIM
@@ -129,8 +143,7 @@ cris_mmu_init(void)
        SUPP_REG_WR(RW_GC_CFG, 0xf); /* IMMU, DMMU, ICache, DCache on */
 }
-void __init
+void __init paging_init(void)
-paging_init(void)
 {
        int i;
        unsigned long zones_size[MAX_NR_ZONES];
diff --git a/arch/cris/arch-v32/mm/mmu.S b/arch/cris/arch-v32/mm/mmu.S
index f125d912e140..72727c1d8e60 100644
--- a/arch/cris/arch-v32/mm/mmu.S
+++ b/arch/cris/arch-v32/mm/mmu.S
@@ -38,6 +38,7 @@
 ; to handle the fault.
 .macro  MMU_BUS_FAULT_HANDLER handler, mmu, we, ex
        .globl  \handler
+        .type   \handler,"function"
 \handler:
        SAVE_ALL
        move    \mmu, $srs      ; Select MMU support register bank
@@ -52,6 +53,7 @@
        nop
        ba      ret_from_intr
        nop
+        .size   \handler, . - \handler
 .endm
 ; Refill handler. Three cases may occur:
@@ -84,6 +86,7 @@
 2:      .dword  0               ; last_refill_cause
        .text
        .globl \handler
+        .type   \handler, "function"
 \handler:
        subq    4, $sp
 ; (The pipeline stalls for one cycle; $sp used as address in the next cycle.)
@@ -196,6 +199,7 @@
        ; Return
        ba      ret_from_intr
        nop
+        .size   \handler, . - \handler
 .endm
        ; This is the MMU bus fault handlers.
diff --git a/arch/cris/boot/Makefile b/arch/cris/boot/Makefile
index 144f3afa0119..6e3b509fd7fc 100644
--- a/arch/cris/boot/Makefile
+++ b/arch/cris/boot/Makefile
@@ -3,7 +3,7 @@
 #
 objcopyflags-$(CONFIG_ETRAX_ARCH_V10) += -R .note -R .comment
-objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss
+objcopyflags-$(CONFIG_ETRAX_ARCH_V32) += --remove-section=.bss --remove-section=.note.gnu.build-id
 OBJCOPYFLAGS = -O binary $(objcopyflags-y)
diff --git a/arch/cris/boot/compressed/misc.c b/arch/cris/boot/compressed/misc.c
index 47bc190ba6d4..548d886b03d3 100644
--- a/arch/cris/boot/compressed/misc.c
+++ b/arch/cris/boot/compressed/misc.c
@@ -106,7 +106,7 @@ static unsigned outcnt = 0;  /* bytes in output buffer */
 static void flush_window(void);
 static void error(char *m);
-static void puts(const char *);
+static void aputs(const char *s);
 extern char *input_data;  /* lives in head.S */
@@ -137,52 +137,37 @@ static inline void serout(const char *s, reg_scope_instances regi_ser)
        REG_WR(ser, regi_ser, rw_dout, dout);
 }
+#define SEROUT(S, N) \
+        do { \
+                serout(S, regi_ser ## N); \
+                s++; \
+        } while (0)
+#else
+#define SEROUT(S, N) do { \
+                while (!(*R_SERIAL ## N ## _STATUS & (1 << 5))) \
+                        ; \
+                *R_SERIAL ## N ## _TR_DATA = *s++; \
+        } while (0)
 #endif
-static void puts(const char *s)
+static void aputs(const char *s)
 {
 #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
        while (*s) {
 #ifdef CONFIG_ETRAX_DEBUG_PORT0
-#ifdef CONFIG_ETRAX_ARCH_V32
+                SEROUT(s, 0);
-                serout(s, regi_ser0);
-#else
-                while (!(*R_SERIAL0_STATUS & (1 << 5)))
-                        ;
-                *R_SERIAL0_TR_DATA = *s++;
-#endif
 #endif
 #ifdef CONFIG_ETRAX_DEBUG_PORT1
-#ifdef CONFIG_ETRAX_ARCH_V32
+                SEROUT(s, 1);
-                serout(s, regi_ser1);
-#else
-                while (!(*R_SERIAL1_STATUS & (1 << 5)))
-                        ;
-                *R_SERIAL1_TR_DATA = *s++;
-#endif
 #endif
 #ifdef CONFIG_ETRAX_DEBUG_PORT2
-#ifdef CONFIG_ETRAX_ARCH_V32
+                SEROUT(s, 2);
-                serout(s, regi_ser2);
-#else
-                while (!(*R_SERIAL2_STATUS & (1 << 5)))
-                        ;
-                *R_SERIAL2_TR_DATA = *s++;
-#endif
 #endif
 #ifdef CONFIG_ETRAX_DEBUG_PORT3
-#ifdef CONFIG_ETRAX_ARCH_V32
+                SEROUT(s, 3);
-                serout(s, regi_ser3);
-#else
-                while (!(*R_SERIAL3_STATUS & (1 << 5)))
-                        ;
-                *R_SERIAL3_TR_DATA = *s++;
 #endif
-#endif
-                *s++;
        }
-/* CONFIG_ETRAX_DEBUG_PORT_NULL */
+#endif /* CONFIG_ETRAX_DEBUG_PORT_NULL */
-#endif
 }
 void *memset(void *s, int c, size_t n)
@@ -233,9 +218,9 @@ static void flush_window(void)
 static void error(char *x)
 {
-        puts("\n\n");
+        aputs("\n\n");
-        puts(x);
+        aputs(x);
-        puts("\n\n -- System halted\n");
+        aputs("\n\n -- System halted\n");
        while(1);       /* Halt */
 }
@@ -378,14 +363,14 @@ void decompress_kernel(void)
        __asm__ volatile ("move $vr,%0" : "=rm" (revision));
        if (revision < compile_rev) {
 #ifdef CONFIG_ETRAX_ARCH_V32
-                puts("You need an ETRAX FS to run Linux 2.6/crisv32\n");
+                aputs("You need at least ETRAX FS to run Linux 2.6/crisv32\n");
 #else
-                puts("You need an ETRAX 100LX to run linux 2.6\n");
+                aputs("You need an ETRAX 100LX to run linux 2.6/crisv10\n");
 #endif
                while(1);
        }
-        puts("Uncompressing Linux...\n");
+        aputs("Uncompressing Linux...\n");
        gunzip();
-        puts("Done. Now booting the kernel\n");
+        aputs("Done. Now booting the kernel\n");
 }
diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h
index dfc73050e6b4..1de779f4f240 100644
--- a/arch/cris/include/arch-v32/arch/cache.h
+++ b/arch/cris/include/arch-v32/arch/cache.h
@@ -7,6 +7,8 @@
 #define L1_CACHE_BYTES 32
 #define L1_CACHE_SHIFT 5
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
 void flush_dma_list(dma_descr_data *descr);
 void flush_dma_descr(dma_descr_data *descr, int flush_buf);
diff --git a/arch/cris/include/arch-v32/arch/dma.h b/arch/cris/include/arch-v32/arch/dma.h
index 3674081389fd..61906153a9af 100644
--- a/arch/cris/include/arch-v32/arch/dma.h
+++ b/arch/cris/include/arch-v32/arch/dma.h
@@ -1,79 +1 @@
-#ifndef _ASM_ARCH_CRIS_DMA_H
+#include "mach/dma.h"
-#define _ASM_ARCH_CRIS_DMA_H
-/* Defines for using and allocating dma channels. */
-#define MAX_DMA_CHANNELS        10
-#define NETWORK_ETH0_TX_DMA_NBR 0       /* Ethernet 0 out. */
-#define NETWORK_ETH0 RX_DMA_NBR 1       /* Ethernet 0 in. */
-#define IO_PROC_DMA0_TX_DMA_NBR 2       /* IO processor DMA0 out. */
-#define IO_PROC_DMA0_RX_DMA_NBR 3       /* IO processor DMA0 in. */
-#define ATA_TX_DMA_NBR 2                /* ATA interface out. */
-#define ATA_RX_DMA_NBR 3                /* ATA interface in. */
-#define ASYNC_SER2_TX_DMA_NBR 2         /* Asynchronous serial port 2 out. */
-#define ASYNC_SER2_RX_DMA_NBR 3         /* Asynchronous serial port 2 in. */
-#define IO_PROC_DMA1_TX_DMA_NBR 4       /* IO processor DMA1 out. */
-#define IO_PROC_DMA1_RX_DMA_NBR 5       /* IO processor DMA1 in. */
-#define ASYNC_SER1_TX_DMA_NBR 4         /* Asynchronous serial port 1 out. */
-#define ASYNC_SER1_RX_DMA_NBR 5         /* Asynchronous serial port 1 in. */
-#define SYNC_SER0_TX_DMA_NBR 4          /* Synchronous serial port 0 out. */
-#define SYNC_SER0_RX_DMA_NBR 5          /* Synchronous serial port 0 in. */
-#define EXTDMA0_TX_DMA_NBR 6            /* External DMA 0 out. */
-#define EXTDMA1_RX_DMA_NBR 7            /* External DMA 1 in. */
-#define ASYNC_SER0_TX_DMA_NBR 6         /* Asynchronous serial port 0 out. */
-#define ASYNC_SER0_RX_DMA_NBR 7         /* Asynchronous serial port 0 in. */
-#define SYNC_SER1_TX_DMA_NBR 6          /* Synchronous serial port 1 out. */
-#define SYNC_SER1_RX_DMA_NBR 7          /* Synchronous serial port 1 in. */
-#define NETWORK_ETH1_TX_DMA_NBR 6       /* Ethernet 1 out. */
-#define NETWORK_ETH1_RX_DMA_NBR 7       /* Ethernet 1 in. */
-#define EXTDMA2_TX_DMA_NBR 8            /* External DMA 2 out. */
-#define EXTDMA3_RX_DMA_NBR 9            /* External DMA 3 in. */
-#define STRCOP_TX_DMA_NBR 8             /* Stream co-processor out. */
-#define STRCOP_RX_DMA_NBR 9             /* Stream co-processor in. */
-#define ASYNC_SER3_TX_DMA_NBR 8         /* Asynchronous serial port 3 out. */
-#define ASYNC_SER3_RX_DMA_NBR 9         /* Asynchronous serial port 3 in. */
-enum dma_owner
-{
-  dma_eth0,
-  dma_eth1,
-  dma_iop0,
-  dma_iop1,
-  dma_ser0,
-  dma_ser1,
-  dma_ser2,
-  dma_ser3,
-  dma_sser0,
-  dma_sser1,
-  dma_ata,
-  dma_strp,
-  dma_ext0,
-  dma_ext1,
-  dma_ext2,
-  dma_ext3
-};
-int crisv32_request_dma(unsigned int dmanr, const char * device_id,
-                        unsigned options, unsigned bandwidth, enum dma_owner owner);
-void crisv32_free_dma(unsigned int dmanr);
-/* Masks used by crisv32_request_dma options: */
-#define DMA_VERBOSE_ON_ERROR 1
-#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
-#define DMA_INT_MEM 4
-#endif /* _ASM_ARCH_CRIS_DMA_H */
diff --git a/arch/cris/include/arch-v32/arch/io.h b/arch/cris/include/arch-v32/arch/io.h
index 72024452cea9..adc5484351bf 100644
--- a/arch/cris/include/arch-v32/arch/io.h
+++ b/arch/cris/include/arch-v32/arch/io.h
@@ -46,10 +46,12 @@ static inline void crisv32_io_set(struct crisv32_iopin *iopin, int val)
        unsigned long flags;
        spin_lock_irqsave(&iopin->port->lock, flags);
-        if (val)
+        if (iopin->port->data) {
-                *iopin->port->data |= iopin->bit;
+                if (val)
-        else
+                        *iopin->port->data |= iopin->bit;
-                *iopin->port->data &= ~iopin->bit;
+                else
+                        *iopin->port->data &= ~iopin->bit;
+        }
        spin_unlock_irqrestore(&iopin->port->lock, flags);
 }
@@ -60,10 +62,12 @@ static inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
        unsigned long flags;
        spin_lock_irqsave(&iopin->port->lock, flags);
-        if (dir == crisv32_io_dir_in)
+        if (iopin->port->oe) {
-                *iopin->port->oe &= ~iopin->bit;
+                if (dir == crisv32_io_dir_in)
-        else
+                        *iopin->port->oe &= ~iopin->bit;
-                *iopin->port->oe |= iopin->bit;
+                else
+                        *iopin->port->oe |= iopin->bit;
+        }
        spin_unlock_irqrestore(&iopin->port->lock, flags);
 }
diff --git a/arch/cris/include/arch-v32/arch/memmap.h b/arch/cris/include/arch-v32/arch/memmap.h
index d29df5644d3e..81985c0a6789 100644
--- a/arch/cris/include/arch-v32/arch/memmap.h
+++ b/arch/cris/include/arch-v32/arch/memmap.h
@@ -1,24 +1 @@
-#ifndef _ASM_ARCH_MEMMAP_H
+#include <mach/memmap.h>
-#define _ASM_ARCH_MEMMAP_H
-#define MEM_CSE0_START (0x00000000)
-#define MEM_CSE0_SIZE (0x04000000)
-#define MEM_CSE1_START (0x04000000)
-#define MEM_CSE1_SIZE (0x04000000)
-#define MEM_CSR0_START (0x08000000)
-#define MEM_CSR1_START (0x0c000000)
-#define MEM_CSP0_START (0x10000000)
-#define MEM_CSP1_START (0x14000000)
-#define MEM_CSP2_START (0x18000000)
-#define MEM_CSP3_START (0x1c000000)
-#define MEM_CSP4_START (0x20000000)
-#define MEM_CSP5_START (0x24000000)
-#define MEM_CSP6_START (0x28000000)
-#define MEM_CSP7_START (0x2c000000)
-#define MEM_INTMEM_START (0x38000000)
-#define MEM_INTMEM_SIZE (0x00020000)
-#define MEM_DRAM_START (0x40000000)
-#define MEM_NON_CACHEABLE (0x80000000)
-#endif
diff --git a/arch/cris/include/arch-v32/arch/pgtable.h b/arch/cris/include/arch-v32/arch/pgtable.h
index 08cb7ff7e4e7..c1051a8da33d 100644
--- a/arch/cris/include/arch-v32/arch/pgtable.h
+++ b/arch/cris/include/arch-v32/arch/pgtable.h
@@ -2,8 +2,16 @@
 #define _ASM_CRIS_ARCH_PGTABLE_H
 /* Define the kernels virtual memory area. */
+/* See head.S for differences between ARTPEC-3 and ETRAX FS. */
+#ifdef CONFIG_CRIS_MACH_ARTPEC3
+#define VMALLOC_START          KSEG_E
+#define VMALLOC_END            KSEG_F
+#else
 #define VMALLOC_START           KSEG_D
 #define VMALLOC_END             KSEG_E
+#endif
 #define VMALLOC_VMADDR(x)       ((unsigned long)(x))
 #endif /* _ASM_CRIS_ARCH_PGTABLE_H */
diff --git a/arch/cris/include/arch-v32/arch/uaccess.h b/arch/cris/include/arch-v32/arch/uaccess.h
index 6b207f1b6622..3196019706cb 100644
--- a/arch/cris/include/arch-v32/arch/uaccess.h
+++ b/arch/cris/include/arch-v32/arch/uaccess.h
@@ -122,14 +122,14 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
        __asm__ __volatile__ (
                "       move.d %3,%0\n"
                "5:     move.b [%2+],$acr\n"
-                "1:     beq 2f\n"
+                "1:     beq 6f\n"
                "       move.b $acr,[%1+]\n"
                "       subq 1,%0\n"
                "2:     bne 1b\n"
                "       move.b [%2+],$acr\n"
-                "       sub.d %3,%0\n"
+                "6:     sub.d %3,%0\n"
                "       neg.d %0,%0\n"
                "3:\n"
                "       .section .fixup,\"ax\"\n"
@@ -140,8 +140,7 @@ __do_strncpy_from_user(char *dst, const char *src, long count)
                /* The address for a fault at the first move is trivial.
                   The address for a fault at the second move is that of
                   the preceding branch insn, since the move insn is in
-                   its delay-slot.  That address is also a branch
+                   its delay-slot.  Just so you don't get confused...  */
-                   target.  Just so you don't get confused...  */
                "       .previous\n"
                "       .section __ex_table,\"a\"\n"
                "       .dword 5b,4b\n"
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
index 9e8eb13b601d..f01dca1ad108 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/dma.h
+++ b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
@@ -5,6 +5,33 @@
 #define MAX_DMA_CHANNELS        12 /* 8 and 10 not used. */
+#define NETWORK_ETH_TX_DMA_NBR 0        /* Ethernet 0 out. */
+#define NETWORK_ETH_RX_DMA_NBR 1        /* Ethernet 0 in. */
+#define IO_PROC_DMA_TX_DMA_NBR 4        /* IO processor DMA0 out. */
+#define IO_PROC_DMA_RX_DMA_NBR 5        /* IO processor DMA0 in. */
+#define ASYNC_SER3_TX_DMA_NBR 2         /* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 3         /* Asynchronous serial port 3 in. */
+#define ASYNC_SER2_TX_DMA_NBR 6         /* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 7         /* Asynchronous serial port 2 in. */
+#define ASYNC_SER1_TX_DMA_NBR 4         /* Asynchronous serial port 1 out. */
+#define ASYNC_SER1_RX_DMA_NBR 5         /* Asynchronous serial port 1 in. */
+#define SYNC_SER_TX_DMA_NBR 6           /* Synchronous serial port 0 out. */
+#define SYNC_SER_RX_DMA_NBR 7           /* Synchronous serial port 0 in. */
+#define ASYNC_SER0_TX_DMA_NBR 0         /* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 1         /* Asynchronous serial port 0 in. */
+#define STRCOP_TX_DMA_NBR 2             /* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 3             /* Stream co-processor in. */
+#define dma_eth0 dma_eth
+#define dma_eth1 dma_eth
 enum dma_owner {
        dma_eth,
        dma_ser0,
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc
index 2f23e5e16f4a..2d52bcc96ed5 100644
--- a/arch/cris/include/arch-v32/mach-a3/mach/startup.inc
+++ b/arch/cris/include/arch-v32/mach-a3/mach/startup.inc
@@ -1,9 +1,19 @@
+#ifndef STARTUP_INC_INCLUDED
+#define STARTUP_INC_INCLUDED
 #include <hwregs/asm/reg_map_asm.h>
 #include <hwregs/asm/gio_defs_asm.h>
 #include <hwregs/asm/pio_defs_asm.h>
 #include <hwregs/asm/clkgen_defs_asm.h>
 #include <hwregs/asm/pinmux_defs_asm.h>
+        .macro GIO_SET_P BITS, OUTREG
+        bmi     1f              ; btstq: bit -> N flag
+        nop
+        or.d    \BITS, \OUTREG
+1:
+        .endm
        .macro GIO_INIT
        move.d  CONFIG_ETRAX_DEF_GIO_PA_OUT, $r0
        move.d  REG_ADDR(gio, regi_gio, rw_pa_dout), $r1
@@ -32,10 +42,23 @@
        move.d  0xFFFFFFFF, $r0
        move.d  REG_ADDR(pinmux, regi_pinmux, rw_gio_pa), $r1
        move.d  $r0, [$r1]
-        move.d  REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
-        move.d  $r0, [$r1]
        move.d  REG_ADDR(pinmux, regi_pinmux, rw_gio_pc), $r1
        move.d  $r0, [$r1]
+        ;; If eth_mdio, eth, geth bits are set in hwprot, don't
+        ;; set them to gpio, as this means they have been configured
+        ;; earlier and shouldn't be changed.
+        move.d  0xFC000000, $r2 ; pins 25..0 are eth_mdio, eth, geth
+        move.d  REG_ADDR(pinmux, regi_pinmux, rw_hwprot), $r1
+        move.d  [$r1], $r0
+        btstq   REG_BIT(pinmux, rw_hwprot, eth), $r0
+        GIO_SET_P 0x00FFFF00, $r2               ;; pins 8..23 are eth
+        btstq   REG_BIT(pinmux, rw_hwprot, eth_mdio), $r0
+        GIO_SET_P 0x03000000, $r2               ;; pins 24..25 are eth_mdio
+        btstq   REG_BIT(pinmux, rw_hwprot, geth), $r0
+        GIO_SET_P 0x000000FF, $r2               ;; pins 0..7 are geth
+        move.d  REG_ADDR(pinmux, regi_pinmux, rw_gio_pb), $r1
+        move.d  $r2, [$r1]
        .endm
        .macro START_CLOCKS
@@ -58,3 +81,4 @@
        move.d CONFIG_ETRAX_PIO_CE2_CFG, $r1
        move.d $r1, [$r0]
        .endm
+#endif
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/dma.h b/arch/cris/include/arch-v32/mach-fs/mach/dma.h
new file mode 100644
index 000000000000..a8c59292586a
--- /dev/null
+++ b/arch/cris/include/arch-v32/mach-fs/mach/dma.h
@@ -0,0 +1,79 @@
+#ifndef _ASM_ARCH_CRIS_DMA_H
+#define _ASM_ARCH_CRIS_DMA_H
+/* Defines for using and allocating dma channels. */
+#define MAX_DMA_CHANNELS        10
+#define NETWORK_ETH0_TX_DMA_NBR 0       /* Ethernet 0 out. */
+#define NETWORK_ETH0 RX_DMA_NBR 1       /* Ethernet 0 in. */
+#define IO_PROC_DMA0_TX_DMA_NBR 2       /* IO processor DMA0 out. */
+#define IO_PROC_DMA0_RX_DMA_NBR 3       /* IO processor DMA0 in. */
+#define ATA_TX_DMA_NBR 2                /* ATA interface out. */
+#define ATA_RX_DMA_NBR 3                /* ATA interface in. */
+#define ASYNC_SER2_TX_DMA_NBR 2         /* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 3         /* Asynchronous serial port 2 in. */
+#define IO_PROC_DMA1_TX_DMA_NBR 4       /* IO processor DMA1 out. */
+#define IO_PROC_DMA1_RX_DMA_NBR 5       /* IO processor DMA1 in. */
+#define ASYNC_SER1_TX_DMA_NBR 4         /* Asynchronous serial port 1 out. */
+#define ASYNC_SER1_RX_DMA_NBR 5         /* Asynchronous serial port 1 in. */
+#define SYNC_SER0_TX_DMA_NBR 4          /* Synchronous serial port 0 out. */
+#define SYNC_SER0_RX_DMA_NBR 5          /* Synchronous serial port 0 in. */
+#define EXTDMA0_TX_DMA_NBR 6            /* External DMA 0 out. */
+#define EXTDMA1_RX_DMA_NBR 7            /* External DMA 1 in. */
+#define ASYNC_SER0_TX_DMA_NBR 6         /* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 7         /* Asynchronous serial port 0 in. */
+#define SYNC_SER1_TX_DMA_NBR 6          /* Synchronous serial port 1 out. */
+#define SYNC_SER1_RX_DMA_NBR 7          /* Synchronous serial port 1 in. */
+#define NETWORK_ETH1_TX_DMA_NBR 6       /* Ethernet 1 out. */
+#define NETWORK_ETH1_RX_DMA_NBR 7       /* Ethernet 1 in. */
+#define EXTDMA2_TX_DMA_NBR 8            /* External DMA 2 out. */
+#define EXTDMA3_RX_DMA_NBR 9            /* External DMA 3 in. */
+#define STRCOP_TX_DMA_NBR 8             /* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 9             /* Stream co-processor in. */
+#define ASYNC_SER3_TX_DMA_NBR 8         /* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 9         /* Asynchronous serial port 3 in. */
+enum dma_owner {
+  dma_eth0,
+  dma_eth1,
+  dma_iop0,
+  dma_iop1,
+  dma_ser0,
+  dma_ser1,
+  dma_ser2,
+  dma_ser3,
+  dma_sser0,
+  dma_sser1,
+  dma_ata,
+  dma_strp,
+  dma_ext0,
+  dma_ext1,
+  dma_ext2,
+  dma_ext3
+};
+int crisv32_request_dma(unsigned int dmanr, const char *device_id,
+                        unsigned options, unsigned bandwidth,
+                        enum dma_owner owner);
+void crisv32_free_dma(unsigned int dmanr);
+/* Masks used by crisv32_request_dma options: */
+#define DMA_VERBOSE_ON_ERROR 1
+#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
+#define DMA_INT_MEM 4
+#endif /* _ASM_ARCH_CRIS_DMA_H */
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/memmap.h b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
new file mode 100644
index 000000000000..d29df5644d3e
--- /dev/null
+++ b/arch/cris/include/arch-v32/mach-fs/mach/memmap.h
@@ -0,0 +1,24 @@
+#ifndef _ASM_ARCH_MEMMAP_H
+#define _ASM_ARCH_MEMMAP_H
+#define MEM_CSE0_START (0x00000000)
+#define MEM_CSE0_SIZE (0x04000000)
+#define MEM_CSE1_START (0x04000000)
+#define MEM_CSE1_SIZE (0x04000000)
+#define MEM_CSR0_START (0x08000000)
+#define MEM_CSR1_START (0x0c000000)
+#define MEM_CSP0_START (0x10000000)
+#define MEM_CSP1_START (0x14000000)
+#define MEM_CSP2_START (0x18000000)
+#define MEM_CSP3_START (0x1c000000)
+#define MEM_CSP4_START (0x20000000)
+#define MEM_CSP5_START (0x24000000)
+#define MEM_CSP6_START (0x28000000)
+#define MEM_CSP7_START (0x2c000000)
+#define MEM_INTMEM_START (0x38000000)
+#define MEM_INTMEM_SIZE (0x00020000)
+#define MEM_DRAM_START (0x40000000)
+#define MEM_NON_CACHEABLE (0x80000000)
+#endif
diff --git a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc
index 4a10ccbd6cc1..dd1abbdcbc7a 100644
--- a/arch/cris/include/arch-v32/mach-fs/mach/startup.inc
+++ b/arch/cris/include/arch-v32/mach-fs/mach/startup.inc
@@ -1,3 +1,6 @@
+#ifndef STARTUP_INC_INCLUDED
+#define STARTUP_INC_INCLUDED
 #include <hwregs/asm/reg_map_asm.h>
 #include <hwregs/asm/bif_core_defs_asm.h>
 #include <hwregs/asm/gio_defs_asm.h>
@@ -75,3 +78,5 @@
        move.d $r10, [$r11]
 #endif
        .endm
+#endif
diff --git a/arch/cris/include/asm/etraxgpio.h b/arch/cris/include/asm/etraxgpio.h
index 38f1c8e1770c..d474818a537e 100644
--- a/arch/cris/include/asm/etraxgpio.h
+++ b/arch/cris/include/asm/etraxgpio.h
@@ -21,31 +21,35 @@
 * /dev/leds   minor 2, Access to leds depending on kernelconfig
 *
 * For ARTPEC-3 (CONFIG_CRIS_MACH_ARTPEC3):
- * /dev/gpioa  minor 0,  8 bit GPIO, each bit can change direction
+ * /dev/gpioa  minor 0, 32 bit GPIO, each bit can change direction
- * /dev/gpiob  minor 1, 18 bit GPIO, each bit can change direction
+ * /dev/gpiob  minor 1, 32 bit GPIO, each bit can change direction
- * /dev/gpioc  minor 3, 18 bit GPIO, each bit can change direction
+ * /dev/gpioc  minor 3, 16 bit GPIO, each bit can change direction
- * /dev/gpiod  minor 4, 18 bit GPIO, each bit can change direction
+ * /dev/gpiod  minor 4, 32 bit GPIO, input only
 * /dev/leds   minor 2, Access to leds depending on kernelconfig
 * /dev/pwm0   minor 16, PWM channel 0 on PA30
 * /dev/pwm1   minor 17, PWM channel 1 on PA31
 * /dev/pwm2   minor 18, PWM channel 2 on PB26
+ * /dev/ppwm   minor 19, PPWM channel
 *
 */
 #ifndef _ASM_ETRAXGPIO_H
 #define _ASM_ETRAXGPIO_H
+#define GPIO_MINOR_FIRST 0
+#define ETRAXGPIO_IOCTYPE 43
 /* etraxgpio _IOC_TYPE, bits 8 to 15 in ioctl cmd */
 #ifdef CONFIG_ETRAX_ARCH_V10
-#define ETRAXGPIO_IOCTYPE 43
 #define GPIO_MINOR_A 0
 #define GPIO_MINOR_B 1
 #define GPIO_MINOR_LEDS 2
 #define GPIO_MINOR_G 3
 #define GPIO_MINOR_LAST 3
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST
 #endif
 #ifdef CONFIG_ETRAXFS
-#define ETRAXGPIO_IOCTYPE 43
 #define GPIO_MINOR_A 0
 #define GPIO_MINOR_B 1
 #define GPIO_MINOR_LEDS 2
@@ -58,10 +62,10 @@
 #else
 #define GPIO_MINOR_LAST 5
 #endif
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST
 #endif
 #ifdef CONFIG_CRIS_MACH_ARTPEC3
-#define ETRAXGPIO_IOCTYPE 43
 #define GPIO_MINOR_A 0
 #define GPIO_MINOR_B 1
 #define GPIO_MINOR_LEDS 2
@@ -73,12 +77,17 @@
 #else
 #define GPIO_MINOR_LAST 4
 #endif
-#define GPIO_MINOR_PWM0 16
+#define GPIO_MINOR_FIRST_PWM 16
-#define GPIO_MINOR_PWM1 17
+#define GPIO_MINOR_PWM0 (GPIO_MINOR_FIRST_PWM+0)
-#define GPIO_MINOR_PWM2 18
+#define GPIO_MINOR_PWM1 (GPIO_MINOR_FIRST_PWM+1)
-#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PWM2
+#define GPIO_MINOR_PWM2 (GPIO_MINOR_FIRST_PWM+2)
+#define GPIO_MINOR_PPWM (GPIO_MINOR_FIRST_PWM+3)
+#define GPIO_MINOR_LAST_PWM GPIO_MINOR_PPWM
+#define GPIO_MINOR_LAST_REAL GPIO_MINOR_LAST_PWM
 #endif
 /* supported ioctl _IOC_NR's */
 #define IO_READBITS  0x1  /* read and return current port bits (obsolete) */
@@ -125,12 +134,10 @@
 */
 #define IO_READ_INBITS   0x10 /* *arg is result of reading the input pins */
 #define IO_READ_OUTBITS  0x11 /* *arg is result of reading the output shadow */
-#define IO_SETGET_INPUT  0x12 /* bits set in *arg is set to input,
+#define IO_SETGET_INPUT  0x12 /* bits set in *arg is set to input, */
-                               * *arg updated with current input pins.
+                              /* *arg updated with current input pins. */
-                               */
+#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output, */
-#define IO_SETGET_OUTPUT 0x13 /* bits set in *arg is set to output,
+                              /* *arg updated with current output pins. */
-                               * *arg updated with current output pins.
-                               */
 /* The following ioctl's are applicable to the PWM channels only */
@@ -140,7 +147,8 @@ enum io_pwm_mode {
        PWM_OFF = 0,            /* disabled, deallocated */
        PWM_STANDARD = 1,       /* 390 kHz, duty cycle 0..255/256 */
        PWM_FAST = 2,           /* variable freq, w/ 10ns active pulse len */
-        PWM_VARFREQ = 3         /* individually configurable high/low periods */
+        PWM_VARFREQ = 3,        /* individually configurable high/low periods */
+        PWM_SOFT = 4            /* software generated */
 };
 struct io_pwm_set_mode {
@@ -176,4 +184,56 @@ struct io_pwm_set_duty {
        int duty;               /* 0..255 */
 };
+/* Returns information about the latest PWM pulse.
+ * lo: Length of the latest low period, in units of 10ns.
+ * hi: Length of the latest high period, in units of 10ns.
+ * cnt: Time since last detected edge, in units of 10ns.
+ *
+ * The input source to PWM is decied by IO_PWM_SET_INPUT_SRC.
+ *
+ * NOTE: All PWM devices is connected to the same input source.
+ */
+#define IO_PWM_GET_PERIOD   0x23
+struct io_pwm_get_period {
+        unsigned int lo;
+        unsigned int hi;
+        unsigned int cnt;
+};
+/* Sets the input source for the PWM input. For the src value see the
+ * register description for gio:rw_pwm_in_cfg.
+ *
+ * NOTE: All PWM devices is connected to the same input source.
+ */
+#define IO_PWM_SET_INPUT_SRC   0x24
+struct io_pwm_set_input_src {
+        unsigned int src;       /* 0..7 */
+};
+/* Sets the duty cycles in steps of 1/256, 0 = 0%, 255 = 100% duty cycle */
+#define IO_PPWM_SET_DUTY     0x25
+struct io_ppwm_set_duty {
+        int duty;               /* 0..255 */
+};
+/* Configuraton struct for the IO_PWMCLK_SET_CONFIG ioctl to configure
+ * PWM capable gpio pins:
+ */
+#define IO_PWMCLK_SETGET_CONFIG 0x26
+struct gpio_pwmclk_conf {
+  unsigned int gpiopin; /* The pin number based on the opened device */
+  unsigned int baseclk; /* The base clock to use, or sw will select one close*/
+  unsigned int low;     /* The number of low periods of the baseclk */
+  unsigned int high;    /* The number of high periods of the baseclk */
+};
+/* Examples:
+ * To get a symmetric 12 MHz clock without knowing anything about the hardware:
+ * baseclk = 12000000, low = 0, high = 0
+ * To just get info of current setting:
+ * baseclk = 0, low = 0, high = 0, the values will be updated by driver.
+ */
 #endif
diff --git a/arch/cris/include/asm/sync_serial.h b/arch/cris/include/asm/sync_serial.h
index d87c24df2b38..7f827fea30e7 100644
--- a/arch/cris/include/asm/sync_serial.h
+++ b/arch/cris/include/asm/sync_serial.h
@@ -19,6 +19,7 @@
 #define SSP_OPOLARITY  _IOR('S', 4, unsigned int)
 #define SSP_SPI        _IOR('S', 5, unsigned int)
 #define SSP_INBUFCHUNK _IOR('S', 6, unsigned int)
+#define SSP_INPUT      _IOR('S', 7, unsigned int)
 /* Values for SSP_SPEED */
 #define SSP150        0
@@ -37,6 +38,7 @@
 #define SSP921600    13
 #define SSP3125000   14
 #define CODEC        15
+#define CODEC_f32768 16
 #define FREQ_4MHz   0
 #define FREQ_2MHz   1
@@ -46,9 +48,14 @@
 #define FREQ_128kHz 5
 #define FREQ_64kHz  6
 #define FREQ_32kHz  7
+/* FREQ_* with values where bit (value & 0x10) is set are */
+/* used for CODEC_f32768 */
+#define FREQ_4096kHz 16 /* CODEC_f32768 */
 /* Used by application to set CODEC divider, word rate and frame rate */
-#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28))
+#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) \
+        ((CODEC + ((freq & 0x10) >> 4)) | (freq << 8) | \
+                   (clk_per_sync << 16) | (sync_per_frame << 28))
 /* Used by driver to extract speed */
 #define GET_SPEED(x) (x & 0xff)
@@ -68,6 +75,7 @@
 #define NORMAL_SYNC                1
 #define EARLY_SYNC                 2
 #define SECOND_WORD_SYNC     0x40000
+#define LATE_SYNC            0x80000
 #define BIT_SYNC                   4
 #define WORD_SYNC                  8
@@ -104,4 +112,21 @@
 /* Values for SSP_INBUFCHUNK */
 /* plain integer with the size of DMA chunks */
+/* To ensure that the timestamps are aligned with the data being read
+ * the read length MUST be a multiple of the length of the DMA buffers.
+ *
+ * Use a multiple of SSP_INPUT_CHUNK_SIZE defined below.
+ */
+#define SSP_INPUT_CHUNK_SIZE  256
+/* Request struct to pass through the ioctl interface to read
+ * data with timestamps.
+ */
+struct ssp_request {
+        char __user *buf;       /* Where to put the data. */
+        size_t len;             /* Size of buf. MUST be a multiple of */
+                                /* SSP_INPUT_CHUNK_SIZE! */
+        struct timespec ts;     /* The time the data was sampled. */
+};
 #endif
diff --git a/arch/cris/kernel/profile.c b/arch/cris/kernel/profile.c
index b917549a7d94..195ec5fa0dd2 100644
--- a/arch/cris/kernel/profile.c
+++ b/arch/cris/kernel/profile.c
@@ -9,12 +9,11 @@
 #define SAMPLE_BUFFER_SIZE 8192
-static char* sample_buffer;
+static char *sample_buffer;
-static char* sample_buffer_pos;
+static char *sample_buffer_pos;
 static int prof_running = 0;
-void
+void cris_profile_sample(struct pt_regs *regs)
-cris_profile_sample(struct pt_regs* regs)
 {
        if (!prof_running)
                return;
@@ -24,7 +23,7 @@ cris_profile_sample(struct pt_regs* regs)
        else
                *(unsigned int*)sample_buffer_pos = 0;
-        *(unsigned int*)(sample_buffer_pos + 4) = instruction_pointer(regs);
+        *(unsigned int *)(sample_buffer_pos + 4) = instruction_pointer(regs);
        sample_buffer_pos += 8;
        if (sample_buffer_pos == sample_buffer + SAMPLE_BUFFER_SIZE)
@@ -54,6 +53,7 @@ write_cris_profile(struct file *file, const char __user *buf,
 {
        sample_buffer_pos = sample_buffer;
        memset(sample_buffer, 0, SAMPLE_BUFFER_SIZE);
+        return count < SAMPLE_BUFFER_SIZE ? count : SAMPLE_BUFFER_SIZE;
 }
 static const struct file_operations cris_proc_profile_operations = {
@@ -61,8 +61,7 @@ static const struct file_operations cris_proc_profile_operations = {
        .write          = write_cris_profile,
 };
-static int
+static int __init init_cris_profile(void)
-__init init_cris_profile(void)
 {
        struct proc_dir_entry *entry;
@@ -82,5 +81,5 @@ __init init_cris_profile(void)
        return 0;
 }
 __initcall(init_cris_profile);
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index c72730d20ef6..b5096430ce1c 100644
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -39,13 +39,16 @@ int have_rtc;  /* used to remember if we have an RTC or not */;
 extern unsigned long loops_per_jiffy; /* init/main.c */
 unsigned long loops_per_usec;
+#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
 extern unsigned long do_slow_gettimeoffset(void);
 static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset;
 u32 arch_gettimeoffset(void)
 {
-        return do_gettimeoffset() * 1000;
+       return do_gettimeoffset() * 1000;
 }
+#endif
 /*
 * BUG: This routine does not handle hour overflow properly; it just
@@ -151,7 +154,7 @@ cris_do_profile(struct pt_regs* regs)
 unsigned long long sched_clock(void)
 {
-        return (unsigned long long)jiffies * (1000000000 / HZ) +
+        return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) +
                get_ns_in_jiffie();
 }
diff --git a/arch/cris/kernel/vmlinux.lds.S b/arch/cris/kernel/vmlinux.lds.S
index d49d17d2a14f..442218980db0 100644
--- a/arch/cris/kernel/vmlinux.lds.S
+++ b/arch/cris/kernel/vmlinux.lds.S
@@ -58,6 +58,8 @@ SECTIONS
        ___data_start = . ;
        __Sdata = . ;
        .data : {                       /* Data */
+                CACHELINE_ALIGNED_DATA(32)
+                READ_MOSTLY_DATA(32)
                DATA_DATA
        }
        __edata = . ;                   /* End of data section. */
@@ -84,6 +86,16 @@ SECTIONS
        }
        SECURITY_INIT
+        /* .exit.text is discarded at runtime, not link time,
+         * to deal with references from __bug_table
+         */
+        .exit.text : {
+                EXIT_TEXT
+        }
+        .exit.data : {
+                EXIT_DATA
+        }
 #ifdef CONFIG_ETRAX_ARCH_V10
 #ifdef CONFIG_BLK_DEV_INITRD
        .init.ramfs : {
@@ -112,7 +124,7 @@ SECTIONS
        __init_end = .;
        __data_end = . ;                /* Move to _edata ? */
-        BSS_SECTION(0, 0, 0)
+        BSS_SECTION(1, 1, 1)
        . =  ALIGN (0x20);
        _end = .;
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
index 380df1a73a6e..9dcac8ec8fa0 100644
--- a/arch/cris/mm/fault.c
+++ b/arch/cris/mm/fault.c
@@ -1,19 +1,18 @@
 /*
- *  linux/arch/cris/mm/fault.c
+ *  arch/cris/mm/fault.c
- *
- *  Copyright (C) 2000-2006  Axis Communications AB
- *
- *  Authors:  Bjorn Wesen
 *
+ *  Copyright (C) 2000-2010  Axis Communications AB
 */
 #include <linux/mm.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/wait.h>
 #include <asm/uaccess.h>
 extern int find_fixup_code(struct pt_regs *);
 extern void die_if_kernel(const char *, struct pt_regs *, long);
+extern void show_registers(struct pt_regs *regs);
 /* debug of low-level TLB reload */
 #undef DEBUG
@@ -108,11 +107,11 @@ do_page_fault(unsigned long address, struct pt_regs *regs,
        info.si_code = SEGV_MAPERR;
        /*
-         * If we're in an interrupt or have no user
+         * If we're in an interrupt or "atomic" operation or have no
-         * context, we must not take the fault..
+         * user context, we must not take the fault.
         */
-        if (in_interrupt() || !mm)
+        if (in_atomic() || !mm)
                goto no_context;
        down_read(&mm->mmap_sem);
@@ -193,14 +192,25 @@ do_page_fault(unsigned long address, struct pt_regs *regs,
        /* User mode accesses just cause a SIGSEGV */
        if (user_mode(regs)) {
+                printk(KERN_NOTICE "%s (pid %d) segfaults for page "
+                        "address %08lx at pc %08lx\n",
+                        tsk->comm, tsk->pid,
+                        address, instruction_pointer(regs));
+                /* With DPG on, we've already dumped registers above.  */
+                DPG(if (0))
+                        show_registers(regs);
+#ifdef CONFIG_NO_SEGFAULT_TERMINATION
+                DECLARE_WAIT_QUEUE_HEAD(wq);
+                wait_event_interruptible(wq, 0 == 1);
+#else
                info.si_signo = SIGSEGV;
                info.si_errno = 0;
                /* info.si_code has been set above */
                info.si_addr = (void *)address;
                force_sig_info(SIGSEGV, &info, tsk);
-                printk(KERN_NOTICE "%s (pid %d) segfaults for page "
+#endif
-                       "address %08lx at pc %08lx\n",
-                       tsk->comm, tsk->pid, address, instruction_pointer(regs));
                return;
        }
@@ -245,10 +255,10 @@ do_page_fault(unsigned long address, struct pt_regs *regs,
 out_of_memory:
        up_read(&mm->mmap_sem);
-        printk("VM: killing process %s\n", tsk->comm);
+        if (!user_mode(regs))
-        if (user_mode(regs))
+                goto no_context;
-                do_exit(SIGKILL);
+        pagefault_out_of_memory();
-        goto no_context;
+        return;
 do_sigbus:
        up_read(&mm->mmap_sem);
@@ -334,8 +344,11 @@ int
 find_fixup_code(struct pt_regs *regs)
 {
        const struct exception_table_entry *fixup;
+        /* in case of delay slot fault (v32) */
+        unsigned long ip = (instruction_pointer(regs) & ~0x1);
-        if ((fixup = search_exception_tables(instruction_pointer(regs))) != 0) {
+        fixup = search_exception_tables(ip);
+        if (fixup != 0) {
                /* Adjust the instruction pointer in the stackframe. */
                instruction_pointer(regs) = fixup->fixup;
                arch_fixup(regs);